Portable Wire Antenna














Can be adapted to work on 160 meters by adding additional 6. Listening, is somewhat better. Louis Doublet, that used small wire for the radiators and computer cable for the feedline. The dipole gives much better performance than you may expect from such a simple antenna. Power: 100W SSB or 50W CW. One major premise of this design is the use of a commercial speaker stand from the music/sound. EVEN SSB! First KH6 repeatedly said he. As a comparison, 4mm² corresponds to about AWG 11. Parts: Here's the complete parts photo for the 9:1 Unun. When the challenge is. Easy to use, tough as nails, at a value that's hard to beat, it connects first responders with each other, and with public works, utilities and rural public safety users for fast, seamless. Types of Long-wire Antennas. COBHAM EX128/18-4 NEW UNUSED SURPLUS PORTABLE MILITARY 18M / 59FT CRANK UP TOWER WITH ROTOR, ACCESSORIES + MANUAL. Copper house wire prices have skyrocketed in the recent months. 128 - 5-Element Log-Periodic Vertical Antenna for 80m, 40m, 20m. 65 - Inverted-V Beam Antenna for 30m. high strength fiberglass pole for quick portable wire antennas. Adding length, or subtracting, will de-tune the antenna and make it perform -worse-. Heyes, G3BDQ, from Practical Wire An-tennas, page 18: “Even when the top of the doublet antenna is a quarter-wave-length long, the antenna will still be an. 5 MHz Aircraft Search & Rescue. While the antenna is not required to receive FM reception, it will definitely help when you're not using the earbuds that are included. 2: Portable/Pedestrian. 1d 20190506. It is similar to the popular screwdriver antenna but at a greatly reduced cost and without complicated mechanical breakdown. The antenna base is made of chrome plated 1/2" hex brass stock and has standard 3/8"-24 threads. Stay away from the copper clad steel wire for portable antennas. The goal here is to put up a cheap, easy, and quick 2-meter antenna that is simple and unobtrusive, but works quite well. Adjust the air variable capacitor to get the SWR to be as low as possible at your desired operating frequency. The NorCal Doublet Antenna came about due to my desire for a simple antenna that could be erected very fast, only needed one center support, and did not take up much storage room. Portable Dipole Antenna LW Series The Hilomast, LLC LW8 Series of HF portable antennas have proven to be durable and reliable while in operation and can be used in most situations with success. DIY 5$ Portable VHF Yagi Antenna for the 2 Meter Band (144-146 MHz) by F4HWK: In this publication i explain how to build a very light weight, cheap, easy to build and deployable in 30 seconds portable VHF antenna for the 2 meter band. I have struggled with the best antenna to use for 40 meters. One end goes straight into the rig, often with no feedline, and the other end in the air attached to something as high as you can find. Cambridge, Massachusetts 02140 C-77229 The views and conclusions contained in this document are those of the authors and should not be interpreted as. In each length, I tied a bowline knot at one end to form a small one inch loop and used the adjustable arm adapters to connect them securely to the center tee. 160m-10m broad band element fed by a third coax. Wanting to work more than one or two bands with a portable antenna I decided to build a lightweight inverted vee antenna that could be supported by a 10 metre long fiberglass squid pole. Com W0QH 2018-12-26T15:58:23-06:00. Power: 100W SSB or 50W CW. The antenna wire combo had a more liquid-y midrange ("liquid" is good), and a thinner, but quicker sound. Monoprice USB-A to Mini-B 2. Product - RCA Multi-Directional Digital Flat Amplified HDTV REFURBISHED. Modern Wall Hang Lacquer Black Plywood Bathroom Vanity Cabinets (ACS1-L69), CCTV Accessories & H. Counterpoise Wire - 25 foot wire for use as antenna counterpoise. Product - RCA Attic/Outdoor Compact HD Antenna. Single Wire Portable Tactical Counterpoise HF Antenna Earth with Ground Stake. HF LONG WIRE Multiband Antenna KIT - $29. Speaker wire is formed of two wires, one made from stranded copper and the other one steel. There are situations where a 1/4 wave antenna will outperform a 5/8 wave antenna, etc, depending on: Terrain Distance between mobile and base/repeater Height of base/repeater antenna IT DEPENDS ! YOU CAN HAVE “TOO MUCH” GAIN. This makes it very simple to put the antenna together. But notice the great similarity to the regular dipole. Portable QRP Antennas I have used a variation on the portable half wave dipole on extended rafting trips. 128 - 5-Element Log-Periodic Vertical Antenna for 80m, 40m, 20m. An efficient antenna system is a prerequisite for more successful six metre operation. For RELM / BK KNG-P150, KNG2-P150, KNG-P400, KNG2-P400, KNG-P500, KNG2-P500, KNG-P800, KNG2-P800 radios: Shipped from: USA. Difficulty: Easy. Breaking strength is 280# and, unlike the vinyl jacket found on the vast majority of antenna wire, the polyethylene jacket is 100% UV stable, very tough and slippery - almost like Teflon ®. 40m/80m Portable antenna Portable wire antenna for 40 and 80 meter made with a RF Chocke. 144/220/440MHz Tri-Band Handheld With D-Star & APRS. This link is listed in our web site directory since Wednesday Apr 7 2010, and till today "40m & 80m portable wire antenna" has been followed for a total of 3264 times. For that purpose, please find our contact info in the legal notice. rubber ducky) or quarter wave antenna (a. The W3EDP, a variation of a true Zepp, is an interesting antenna and was described in Practical Wire Antennas by John D. I plan on using them when I make my CB radio purchases in the future. Small enough to fit in your glove box or your bug-out bag. Lightweight and tunable for 2-30 MHz. Whether you're looking for a portable antenna or trying to put up a covert antenna that really works and won't bother the. I always take three different coaxial fed antennas with me. The best travel routers are designed to be extremely portable, can be plugged in just about anywhere, or even run from battery, and often provide additional features like the ability to serve up media files, recharge your mobile devices, and secure your internet traffic with a VPN, all of which can be a big advantage over relying on the relatively insecure open Wi-Fi hotspots found in hotels. One connection to your radio’s antenna (or antenna jack) to the length of wire. To make portable operations easier, I wanted to build an antenna that is easy to carry and compact. The NAGOYA NA-701C antenna is Tx optimized for 150-165 MHz and 450-470 MHz. For all my wire antenna projects I always use extremely flexible and comparatively cheap black-coloured 4mm²-sized tinned HO7 V-K 4 wire. citizens to limit social gatherings, we are encouraging participants to assemble a small team of operators from various locations. Antenna construction Antenna is 6. There is a problem adding to cart. 42 – Vee-Sloper Antenna. At VHF and UHF, portable antennas are very small, light, and easy to pack and carry. The antenna wire combo had a more liquid-y midrange ("liquid" is good), and a thinner, but quicker sound. In factory testing, our grooved cores were tested against non-grooved cores for strength and integrity. With an upward angle of 5 degrees on each side if center. It has one advantage. As long as it is a multiple of your base frequency (most HF ham bands are), your antenna is tuned. I recently purchased a Uniden 980 SSB, Firestik antenna and cables and mount to install in my F-350. EFwire, end fed multiband wire antennas require less space than center fed dipoles. Examples include the Pure Highway 400 and Pure Highway 600. Facebook Messenger. The EMCOMM III Portable antenna is comprised of a matching transformer, a 73 foot antenna wire on a line winder, and a 25 foot counterpoise - making a highly portable and effective HF antenna system. A dipole antenna is a T-shaped antenna that helps to boost the radio signals. 5 metre long wire antenna for 7 - 50 MHz pedestrian mobile. Any higher and the antenna may not work properly and your Compact Travel Mast could be. Amateur Radio Antennas. Super Antenna TM4 SuperPod Large Portable Tripod is a collapsible portable antenna tripod, that comes with with a black nylon carry case, it has a 3/8"-16 male stud fitting and UM3 SuperMount for a 3/8"-24 antenna and SO-239 coaxial cable connector; the TM4 SuperPod is made by Super Antenna Systems Corp. You can further reduce the height of the antenna by placing a capacitance "hat" at the top. In fact, consider using no insulator; just solder the antenna wires directly to the feedline wires. ] so a loop for use on 146. Best Portable QRP Antenna. Download EndFed antenna Info Sheet. David VK2DMH #812. When the band is fully open the dipole in the majority of cases is up to two S-units or 12db, better!. Or the antenna you hide in your attic, because of the coming Zombie invasion of course. Most people think that the whip antenna is the device receiving the signal,. Now solder a wire to the center conductor of the SO-239 connector as shown. It is a #18 gauge stranded copperweld with a tough polyethylene jacket. 66 - ZL-Special Beam Antenna for 15m. DX Engineering is your #1 source for wire antennas. ) Antennas from 400-999 are made from 300 ohm ladder wire as they perform better with the thinner wire. The whole antenna weight is only 6-7kg (14 lbs), making it ideally suited for portable use. The antenna ground plane system has to be set up before the adjusting; 8 wires, each 8m long. I've used this antenna for Field Day and other portable applications. Insulators. The best travel routers are designed to be extremely portable, can be plugged in just about anywhere, or even run from battery, and often provide additional features like the ability to serve up media files, recharge your mobile devices, and secure your internet traffic with a VPN, all of which can be a big advantage over relying on the relatively insecure open Wi-Fi hotspots found in hotels. Please try again. Done this way, as the antenna moves in the wind, the 'antenna support rope' moves through the pulley. FM Extender Antenna (Reconditioned) List Price: $6. 35 thoughts on “An End Fed Halfwave Antenna for Portable Ops”. DX Engineering is your #1 source for wire antennas. Ham Radio Wire Antennas. Notes on HF Discone Antennas. Resonant Antennas are those for which a sharp peak in the radiated power is intercepted by the antenna at certain frequency, to form a standing wave. Ultimate Portable HF Vertical Antenna by AD5X Due to the tremendous response to my portable vertical antenna (July 2002 QST), I’ve continued to evolve the design. Each DSQD/AES3 ships with half the rack hardware needed to mount two units together, yielding 8 channels in 1RU. Cambridge, Massachusetts 02140 C-77229 The views and conclusions contained in this document are those of the authors and should not be interpreted as. You can post an alert to announce intent to operate and then spot once ready to transmit via sotawtch. Make Offer - 9:1 Balun Unun Shortwave Portable Long Wire Antenna HF QRP Dipole Ham Radio Baofeng UV5R/888S AY04 High Gain Yagi Radio Antenna 144&430 MHz Ailunce HD1 RT3S $50. I had access to some old uninsulated, braided, portable antenna wire and was able to get two 64 feet (19. Your feed line is essentially the counterpoise, so a separate one is not needed. reduces the effect of the #12 gauge wire. Guess the antenna wanted to call home :-) 57 report, 100 watts, 15 Meter band, Icom 718. You can try a lightweight wire antenna if you can find a way to support it well above the ground. Even More Wire Antenna Classics has a wide range of content and you will find details of portable antennas that are both inexpensive and easily constructed antennas systems for operating on the go. I got a Yaesu FT-891 about a year ago. There’s an excellent chance if you’re reading this, you’re also a digital nomad like me. Backyard Multi-Band Wire HF Antennas. Start your career in Graphic Design with the Gadget Hacks Beginners's Guide to Photoshop Course. The 22m wire comes right off the back of the L-match, up to the top of the 10m pole and then I slant it down and tie it off with a small length of 3mm marine cord. Connect the 5000-ohm resistor across the binding posts. EMCOMM III Portable Page 5. Junkbox HF antenna; Komunica Bazoka wideband mobile vertical; Portable HF vertical "J-Pole" antennas; EASY remote control solution of modern rigs; IC-7300 Review and operating tips. Use features like bookmarks, note taking and highlighting while reading Portable Wire Antennas. Portable Magnetic Loop Antennas Ham Radio's Best Kept Secret Eric Norris WD6DBM v2. So far received 5. We continue our antenna offerings with this single band, 80m-10m end fed half wave wire antenna. some of the best selling and top brands of portable qrp antenna you can buy online. Modern antennas let you receive both analog signals and digital signals, which most TV stations now use. This calculator is designed to give the vertical length (height) of a particular antenna, for the frequency and wavelength chosen. Whilst normal insulated copper wire can be used, copper stretches very easily, and it will be found that over time the antenna lengths as a result of the strain on it. Chameleon Antenna EMCOMM II Portable HF (6 - 160M) Wire Antenna, 500W Max The CHA EMCOMM II Antenna has been specially designed for backup emergency HF system or permanent installation. Portable, reliable HF communication is required for emergency management, expedition communications and recreational uses. The house ground wire is required to be at least 2 AWG. This portable mast system has allowed me to get out into the field and start training on HF. A portable 2-element VHF yagi May, 1997 Here's a simple Saturday project: build a portable VHF yagi antenna for 2 meters. Breaking strength is 280# and, unlike the vinyl jacket found on the vast majority of antenna wire, the polyethylene jacket is 100% UV stable, very tough and slippery - almost like Teflon ®. Find a good place to ground the wire, such as a light switch. I carried out a survey in early 2014 to try to discover which portable HF antenna was most popular. 2 ~ 110V Lights. Build a portable, multi-band, resonant, vertical antenna for ham radio One more tip: The coil wire must be secured on each end to keep it tightly wound. 5     Ground Plane (11%) The table below compares these antennas. Strip the wires. Everything arrived quickly and in good condition. The four bundles of wire are the radials for the antenna. TRANSMIT ANTENNAS FOR PORTABLE VLF TO ME' WIRELESS MINE COMMUNICATIONS Robert L. Extended Double Zepp – Longer than a dipole. On the end closest to the radio solder or crimp the center conductor wire to an alligator clip & clip that to the whip antenna. At HF, however, the larger antennas are more difficult to deal with. This FM wire antenna was specially designed to work with the CC Pocket AM FM WX Radio. Gotta love the wire antennas! GL OM ! 72/73 John KG9HV Lafayette,IN. This antenna uses a 4 to 1 Guanella Current Balun that is rated at 250 watts, all stainless steel hardware, and covers the following ham. A whopping 11422 miles from my QTH. END FED DIPOLE 80-6 meter Portable HF Antenna Matchbox System. The pictures below will tell the story far better than I can in words. The quad provides a measured gain of 4. Antennas for portable QRP ops I seem to get requests from time to time, to bring up this topic on the blog. The key to end fed antenna success is the matching network interface between the long wire antenna and the coax feed line and feed line choke at the transceiver. RCA Multi-Directional Digital Flat. All radios need some sort of antenna to pick up radio signals that will be transformed into audio. RCA Attic/Outdoor Compact HD Antenna. Print this Project. Alpha also makes antennas for military use. $269 500W 10-40m portable vertical (Alfa Antenna Promaster Jr. diamond - wd-330 - wide band continuous coverage 2-30 mhz wire antenna, t2fd folded dipole type - 150w p. 64 - Dual-Band Sloper Antenna. Kite and Balloon Lifted Antennas from G4VGO K6STI Receiving Loop — "the DX secret weapon" L. Davis RF Co - Wire, Cable, Dacron Rope Supplier; Degen Designs-- MiniQuad three band, portable, high performance mini-quad antenna; Delta X-Ray Antennas - - HF Delta Loops and VHF/UHF ground plane antennas (site is gone, link goes to page archive). The mast allows any of the Hustler resonators to be used for a portable antenna. We are Proud to be an Authorized Dealer of Flex-Weave TM for the Davis RF Wire, Coax Cable and accessories. 5 thoughts on " A review of the W4OP portable magnetic loop antenna " John April 6, 2020 at 4:20 pm. A J-Pole antenna is a half-wave vertical fed at its base through a shorted quarter-wave stub acting as a transformer matching section. This should be about 1:1 in the middle of the band, and 1. 110V Recepts. 126 - Cobra Antenna for 80m. 1 Ultra-simple "wire" version above made on an SO-239 connector. Contact Ant MW0JZE. 2(a): You can see that when erected in a straight line the dipole is quite directional. The type of  clamp connector will depend on the size of your ground wire. Raised Panel Doors. This makes all of the antenna pieces and parts interchangeable. Spiderbeam HD 12m fiberglass pole (eyelet version) HEAVY DUTY professional telescopic pole (12m / 40ft) with eyelet. 63 - Wire-Beam Antenna for 80m. While it is just awesome for a fixed antenna (I just had a 300 lb oak branch fall on my antenna, no damage and no snapped wire, just had to haul it up again and reset the safety peg) however it can be a royal pain to deal with if you want to coil it quickly and shove it in a bag. At the opening of the band, the two antennas can be side by side in performance. item 5 Portable Wire Antennas, Like New Used, Free shipping in the US - Portable Wire Antennas, Like New Used, Free shipping in the US. Myron, your portable park antenna is a flame thrower. HF Tactical dipole and broadband antennas Superior communications performance can be achieved by using a broadband or dipole antenna. Many RASON members truly enjoyed last month's collinear antenna. Best Portable QRP Antenna. Portable Dipole Antenna 2019-11-11T11:14:10+00:00 Portable Dipole Antenna LW Series The Hilomast, LLC LW8 Series of HF portable antennas have proven to be durable and reliable while in operation and can be used in most situations with success. A dipole antenna is a T-shaped antenna that helps to boost the radio signals. I plan on using them when I make my CB radio purchases in the future. As of this writing, 300 Ohm antenna wire is pretty scarce. If the manual is printed in black and white, many im-portant details could be lost. A big antenna needs a serious mag-mount! I purchased this magnetic mount for my mobile antenna years ago over the Internet - I don't remember where I got it - but it holds to the roof like a barnacle on a ships' hull. The wire is threaded into the PL-259 piece as the coax plug is inserted (jammed) into the other end. 2 dB over a dipole and the yagi 5. 12" tubing,…. Others say that you can use a 6. The antenna wire should be connected to its original connection as in Figure 3. some of the best selling and top brands of portable qrp antenna you can buy online. The long expensive feed cable normally associated with a doublet or dipole is not needed, the antenna wire itself serving as a "feed line". I use a multi band vertical as a portable antenna from my vehicle and have 4 33feet long radials that I attach to the antenna base. Pair the antenna with our throwing line kit and you have a complete solution to getting on the air quickly and reliably. some of the best selling and top brands of portable qrp antenna you can buy online. 44 – Counterpoise Longwire. This antenna has 38 radials in the grass, held down with DX Engineering Bio-degradeable Staples. Designed as a multi-band, portable antenna for 40m - 10m, the Buddistick™ is an excellent performer with any rig up to 250 watts. The wire is threaded into the PL-259 piece as the coax plug is inserted (jammed) into the other end. diamond - wd-330 - wide band continuous coverage 2-30 mhz wire antenna, t2fd folded dipole type - 150w p. This unit features a hydraulic lift system, digital TV antenna, wire for portable satellite dish, and so much more! As you enter this fish house, along the rear there is a dinette and a bunk above the dinette. The top five portable HF antennas were:No. 5 metre long wire antenna for 7 - 50 MHz pedestrian mobile. Series and Parallel Coaxial Cable Assemblies. Portable Antenna. Coat the end of the PVC Pipe, with PVC Glue and push the Cap with the Center Insulated Wire embedded, on to the Pipe end and let that setup. The whole antenna weight is only 6-7kg (14 lbs), making it ideally suited for portable use. IC-7300 Diplexer to split HF/VHF RF to different antennas; IC-7300. Next, strip the bottom 2 inches of insulation from the wire. Gain is achieved in an antenna when it is able to focus the signal is a specific direction. This antenna is EXTREMELY easy to assemble, requires no tuning or adjustments and VSWR is under 1. Welcome to RadioWavZ Antenna Company • Home of the worlds first 160-6 Meter Hexbeam. Step Using a second coaxial wire (wire #2), plug one end into one of the “Out” ports on the 2-way splitter. In close range the antenna is automatically switched from directional dish to an omnidirectional antenna. 00 € * Old price 265. Simple wire antennas are quite allright, but using them to do well in a contest is pretty hard. (Tuning from 88-136 are available with slight extra charge for added material and shipping weight. The tuning process is the same as for the 40/80 dipole, excpet the 20 m wires are trimmed first to an SWR of 1. In a recent CR test of antennas, the Mohu ReLeaf came out on top. These fed into a small matching box that I built using a schematic I found online. All of our ladder line and antennas are custom manufactured in. Wire gauge really shouldn't matter all that much. 10m squid pole with the antenna wire angled down to the left. 0 Phisung E02 8in Touch 4G WiFi Android 5. I know MFJ Enterprises makes a telescopic antenna that extends to 17 feet which some portable operators like. Thanks to the designer, GM3AXX. The coax feedline can also serve as a counterpoise but I read varying reports of improved results with a wire counterpoise so I choose to experiment with and without one. It incorporates the N7VE led SWR indicator and has a board mounted female BNC for connection to your rig. that all for Vertical antenna, you can try it yourself. 8:1, followed by the 40 m wires then the 80 m wires. 8 dB over a dipole. Six Meters ARRL ANTENNA Vol 5 COMPENDIUM contains an article I wrote providing details about two portable 6 meters antennas I developed, a two-element quad and a three-element yagi with telescoping elements. Here's a 6 meter (metre for my European friends :-) lightweight Moxon antenna I built. 5ft: 18x2x2 2. 546-Antenna Wire, 14 AWG All Copper Stranded PE Jacket Flexweave $ 0. DBJ-220 - Base station antenna (220-225MHz) Maximum input power 75 watts $23. I saw some discussion of wire lengths that worked well with the tuner, and of course, now I can't. Wire & Brace for flat screen. to/2srAkRD Jacktite Fiberglass Mast: …. A so-called random wire antenna is an end fed antenna. Single Band Full Size Dipole Antenna. Center insulator: With a ham radio wire antenna that do not require a balun, I recommend a glass-filled ABS insulator with built-in drip lip around SO-239 connector. Doublet – Multi-band antenna that is not resonant on a particular band. 5-30 MHz: SkyWire Dipole Antenna 0. Thank you for your interest in my antennas. Download it once and read it on your Kindle device, PC, phones or tablets. PackTennas are light weight, compact, portable HF antenna systems ideal for operating on the trail, at the campsite, on Field Day, SOTA activation, air travel, or HOA restricted locations. Listening, is somewhat better. The W3EDP, a variation of a true Zepp, is an interesting antenna and was described in Practical Wire Antennas by John D. The kit consists of the Antenna with UnUn and 35′ wire, a line winder, throwing line, throwing weight and antenna stake. The antenna is essentially a tuned circuit with the inductor formed by a loop of wire measuring less than 1/4 wavelength in circumference and resonated to the. Antenna construction Antenna is 6. For my antenna, I chose to use a faraday shielded loop, to reduce the antenna's response to E-field interference (certain types of power line noise, for example). That counterpoise will benefit your transmitions and reception. - Duration: 14:48. Notes on HF Discone Antennas. Tripod for the Portable HF Antenna. Open wire feeders are popular with the ham community once again. A Portable HF Vertical Antenna. Palomar Engineers employs a dual core matching system that offers wide bandwidth (1-61 MHz), 500 watt PEP rating, and a connection for a counterpoise or ground if desired. A list of different antennas (antenna types) with links to detailed descriptions. ] so a loop for use on 146. They are fun to use but there is nothing like a resonant wire antenna strung in the trees. W W Antsig Indoor Digital Amplified Full HD Ant… Antsig 14 x 26cm Black Indoor Digital Antenna. Versa WiFi USB Adapter 3 for a Windows PC Item # WF3 Significantly boost your computers WiFi signal at home or when traveling. Random Wire Antenna Lengths. Some will handle a little more, some a little less. 501-Antenna Wire, 18 AWG Copper-Clad Steel $ 0. Cut the wire to the desired length; Cut two separate lengths of 16-gauge insulated wire to somewhere between 8 and 12 feet. FOR SMALL SPACES Whether for portable, camping, or just for a small back yard, here is an antenna that is quick and easy to erect, and will get you on ALL bands from 80 through 10m. The free end of that rope is tied off near the ground. Wire Antenna Calculator. Stay away from the copper clad steel wire for portable antennas. SOTA Mighty Mini End Fed 80 - 6 meters HF Multi Band Antenna 300 watts unun continuious This is an End Fed Long Wire wire antenna designed to be compact but still delivers superb performance that will cover all bands from 160 to 6 meters, including the WARC Bands, as well as 60 meters and MARS frequencies. This 31 foot antenna is a tough ultra-lightweight (3. Paracord, 550. Whilst normal insulated copper wire can be used, copper stretches very easily, and it will be found that over time the antenna lengths as a result of the strain on it. Terminated Sloper Antenna 25 39. A small push-up mast and a TV rotator is totally sufficient, saving even more weight on the total setup. The free end of that rope is tied off near the ground. Horizontal wire dipole antennas are popular for use on the HF shortwave bands, both for transmitting and shortwave listening. Of course for wire antennas, open-wire ladder or "window" line all the way back to the transmitter is your best choice to minimize line losses with a balanced antenna (and then it must be properly coupled to the transmitter). These fix on to your windscreen or dashboard, like a portable sat nav. This Frequency 470-790MHz 10m 3C2V Double-head Black Wire Outdoor Antenna without Stand is made of high quality plastic and aluminum material, durable and practical in daily use. Web description. EVEN SSB! First KH6 repeatedly said he. You do need an ATU though. Place a 1:1 Balun on the Antenna end of the Feedline. Power: 100W SSB or 50W CW. Adjust knob to band setting previously determined for 20m Connect Antenna analyzer and measure at frequency of interest Trim length of wire until the antenna shows zero reactance at. They have stood up to the searing heat, and bitter cold, and huge temperature swings of the SW Michigan climate, which ranges from 110 degrees F hot in the summer, to 15 degrees below 0. Comes complete with miniature coax cable and a BNC connector to connect to just about any mobile or portable scanner. Finally, on the top we can see the drilled PVC bar. Light, durable and very flexible. His full article can be read on the July 2017 issue of The QRP Quarterly. The wire is threaded into the PL-259 piece as the coax plug is inserted (jammed) into the other end. An antenna engineers' Axiom:. Now, I’ve come up with a longer, lighter and more compact (when disassembled) antenna that is easier to build, and easier to find parts for. Put a portable radio near the antenna and turn it on. Stay away from the copper clad steel wire for portable antennas. FOR SMALL SPACES Whether for portable, camping, or just for a small back yard, here is an antenna that is quick and easy to erect, and will get you on ALL bands from 80 through 10m. We build quality antenna coils that are easy to tune and easy to install. 40 – Double Extended Zepp Antenna. All the information required to assemble antennas and antenna kits that can be deployed in multiple configurations is provided. Does anyone have a link. OVER 4000 SOLD WITH PERFECT SUCCESS UJM-150 End Fed Antenna Matcher Made by a HAM for Hams Tiny and light weight but ready and capable to put in work! This unit is encased in a 1"x 2"x 3" ABS box! And comes with a High quality SO-239 connector. I can only speak for what has worked well for me. Spiderbeam HD 12m fiberglass pole (eyelet version) HEAVY DUTY professional telescopic pole (12m / 40ft) with eyelet. Remove the coating near the end that will mount to the coax connector for the vertical element, and clean up the metal wire with some sandpaper. 55 simplex would be: 1005/146. Mirge Vehicle Antenna (Reconditioned) List Price: $19. (a crocodile clip with PVC covered wire to the ground pin of a mains plug is one way to do this) Connect the centre pin. 2 dB over a dipole and the yagi 5. Most Moxon antennas are built for HF frequencies and use wire and fiberglass rods as spreaders. Once you attach the dipole antenna to the FM input on your radio, slowly move the wire around as you scan through the stations. 155 - Re-Configurable Antenna for 160m and 80m. The QRP Guys persuaded to coax some of Joe's antenna secrets out of him and they are offering his Tri-band (covering 40, 30 and 20 Meters) NPOTA antenna as their newest kit. Terminal Lug – used to connect Counterpoise Wire to antenna mount ground connection. Ideally it should be copper wire (yeah sure! Have you seen the price of copper?). 70 Adhesive Heat Shrink, 3/4" Red $ 2. 130 - Earth-Mover Inverted-V Antenna for 40m. Even More Wire Antenna Classics has a wide range of content and you will find details of portable antennas that are both inexpensive and easily constructed antennas systems for operating on the go. net team has decided to rerun some of the best articles that. Now, I've come up with a longer, lighter and more compact (when disassembled) antenna that is easier to build, and easier to find parts for. I know MFJ Enterprises makes a telescopic antenna that extends to 17 feet which some portable operators like. You can do mad wonders with a 9:1 and 85' or so of plain old number 14 end-fed and strung up a tree. Dipole Antenna Calculator. Web description. Unfortunately it can be hard to tell just what "proper" means. Remove the coating near the end that will mount to the coax connector for the vertical element, and clean up the metal wire with some sandpaper. Matching a mobile antenna to the requisite 50 ohms is a requirement for several reasons. This antenna has been made popular by the Emergency Amateur Radio Club of Hawaii (EARCHI). Ventilation Fan for Chicken Bird Farm. Your 500mw QSO with me on 20m cw gives you 1,916 miles/watt by my calculations. Easy to Install and Use KM5M on 23rd Apr 2014 The NI4L end-fed 40-6m dipole antenna is just about perfect for portable operation. They require the use of an antenna tuner. I plan on using them when I make my CB radio purchases in the future. Light, durable and very flexible. RCA ANT310F Amplified Indoor Antenna. Band Hopper III Multiband Portable HF Dipole Antenna System *** IMPORTANT NOTE: if you are using a Band Hopper with our 10m Compact Travel Mast, attach the antenna with a cable tie to the top of section 11 (counted from the bottom). com This assembly manual is intended to be printed in full COLOR. If you live in an area without cable TV or if you're on a tight budget and you still want TV for free, you'll need a TV antenna. As you read, you'll discover new ways to experiment with wire antennas and why they are so rewarding to use. Trees or lightweight fiberglass masts are your best choices. Wire cutters. Free shipping. Particularly, wire antennas such as the short dipole and half-wave dipole antennas are presented, aperture, patch, reflector and travelling wave antenna types are presented. Step 1, Gather the necessary materials. high strength fiberglass pole for quick portable wire antennas. 1 Ultra-simple "wire" version above made on an SO-239 connector. Portable antennas: strong and very thin wire such as #26 19 strand VariFlex™ Insulated is perfect for this application. 32-33), is likely the best option for a portable, HF multiband (6m – 160m), tuned antenna not requiring wires. The EFHW-8010 can easily handle the 600W power output of my amp. Antennas for portable QRP ops I seem to get requests from time to time, to bring up this topic on the blog. The overall length of the slope wire is only 60 feet long. I got great signal reports and it was fun building my first ham radio antenna for my portable ham radio operations. 96 results for portable hf antenna Save portable hf antenna to get e-mail alerts and updates on your eBay Feed. A Ground-Coupled Portable Antenna QST January 2001, pp. Those with existing aluminum stock can likely reduce cost. All wire antennas described above have been for portable operating. 65 - Inverted-V Beam Antenna for 30m. WIKIPEDIA, The Last Word on Wire (8 gauge or larger) z3/8" Copper Refrigerator Tubing Excellent. INTRODUCING THE. Paracord, 550. 5 m between 20 m trap and 40 m trap and 11 m between the 40 m trap and the end of the antenna. 16-19, 22 Theoretical considerations and experimental results on a vertical antennas. click here for virtual tour extreme, berkon tandem axle hyd frame, 11 hole & lights, led inside and out, wire & brace for flat screen, digital tv antenna, wire for portable satellite, radio w/ 4 speakers, lights over tanks, cedar interior, 84" studs, bathroom / toilet seat,tall cabinets on bathroom wall, 3 burner cook top w/ oven,range hood w/ vent, small sink, raised panel doors, flat ceiling. The antenna matchbox is installed at the top of a 17′ PVC mast. This is about 1/4 inch in diameter. Wire Antennas products from Ham Radio. Long Lasting Fertilizer Briquette Machine plant With High Granular Strength. 5m of wire for these tests) The 40m-short 80m antenna was tested as a fairly low sloping inverted “L” as shown on the first page. The best aftermarket antenna upgrade for these bands: NAGOYA NA-701C. Connect the antenna analyzer to the red wire BNC connector. Then, connect the exposed wires at the bottom of the "T" shape to the FM connections. Originally: $179. Lagace -- Task Leader David A. Portable Magnetic Loop Antennas Ham Radio's Best Kept Secret Eric Norris WD6DBM v2. It costs. Product - RCA Attic/Outdoor Compact HD Antenna. The numbers I give in these articles are as close to being real as possible. Super Antenna TM4 SuperPod Large Portable Tripod is a collapsible portable antenna tripod, that comes with with a black nylon carry case, it has a 3/8"-16 male stud fitting and UM3 SuperMount for a 3/8"-24 antenna and SO-239 coaxial cable connector; the TM4 SuperPod is made by Super Antenna Systems Corp. The windings for the 15m coupler are secondary 25 turns of 16 SWG enammeled copper wire with 3 turns of plastic covered wire over the earthy end. Ultra Small Portable - This sleek, compact portable is ultra lightweight, requiring minimal space. 5 lbs and it all packs. SOTA Mighty Mini End Fed 80 - 6 meters HF Multi Band Antenna 300 watts unun continuious This is an End Fed Long Wire wire antenna designed to be compact but still delivers superb performance that will cover all bands from 160 to 6 meters, including the WARC Bands, as well as 60 meters and MARS frequencies. This was 9m vertically metres up a fishing pole and then about 5. ca web site. LITTLE, INC. The antenna wire combo had a more liquid-y midrange ("liquid" is good), and a thinner, but quicker sound. 9 MHz Full-wave Loop Antenna 23 37. This calculator was adapted from the Coil-Shortened Dipole Antenna Calculator. Visit Diamond Antenna on Facebook & Instagram! Office hours, Monday through Friday 9:00 a. Basically, a piece of wire that is a half wavelength of the band you intend to operate. Simple wire antennas are quite allright, but using them to do well in a contest is pretty hard. 160m Wire Vertical kit for 18m fiberglass pole kit for building an effective 160m wire vertical with 4 top hats. 1 - EFHW antennas. RCA Attic/Outdoor Compact HD Antenna. The main dipole on the middle of the photo has also two (hopefully) identical parts. That counterpoise will benefit your transmitions and reception. Having said that, I would focus on wire length. " See all customer reviews. Pair the antenna with our throwing line kit and you have a complete solution to getting on the air quickly and reliably. Magnetic loop antennas are great for their purpose, but for low wattage (5-10w), a simple L-Match tuner and a random length wire will work on most bands and is has a lot more bandwidth without. - This FM wire aerial, indispensable for FM tuner reception, contributes to clear sound from your radio. These can be fiddly to install, as they have a long antenna wire that you trail up to the dashboard, and another cable that trails down to your car’s cigarette lighter socket for power. The basic design is the similar to my portable version but this one uses a 1:4 Guanella current balun, allowing single wire elements instead of figure of eight wire and the need for tapping points. 35 thoughts on “An End Fed Halfwave Antenna for Portable Ops”. The W3EDP, a variation of a true Zepp, is an interesting antenna and was described in Practical Wire Antennas by John D. One end goes straight into the rig, often with no feedline, and the other end in the air attached to something as high as you can find. item 5 Portable Wire Antennas, Like New Used, Free shipping in the US - Portable Wire Antennas, Like New Used, Free shipping in the US. I built a portable version of a Cobweb antenna, it is based on a design by Stephen Webb G3TPW and my adaptation of the idea is to make it so that it can be collapsed easily and when required re-assembled and mounted hopefully on a telescopic pole. Spiderbeam HD 12m fiberglass pole (eyelet version) HEAVY DUTY professional telescopic pole (12m / 40ft) with eyelet. Large refrigerator. This Frequency 470-790MHz 10m 3C2V Double-head Black Wire Outdoor Antenna without Stand is made of high quality plastic and aluminum material, durable and practical in daily use. When used as a sloper, the favoured direction can be altered by moving the sloping wire at the lower end. 160-80-40 Meter 1/4-wave Twin Sloper. Adding length, or subtracting, will de-tune the antenna and make it perform -worse-. At HF, however, the larger antennas are more difficult to deal with. Place a 1:1 Balun on the Antenna end of the Feedline. … Continue reading "Portable Antennas: The EARCHI End Fed". realizable goal for a Novice station using one antenna on four bands is to work all states and Canadian provinces, along with some casual DX (Europe and South. The matching network is mounted on a 4' x4" treated wood post in the weather proof plastic container at the antenna base. You can further reduce the height of the antenna by placing a capacitance "hat" at the top. Extended Double Zepp – Longer than a dipole. EVEN SSB! First KH6 repeatedly said he. As a comparison, 4mm² corresponds to about AWG 11. 5m of wire for these tests) The 40m-short 80m antenna was tested as a fairly low sloping inverted “L” as shown on the first page. I wanted my 2 meter version to be free standing and rotatable so I built mine with brass tubing on a center, non conductive boom just like a beam. The antenna we used was a portable multi-band end-fed half wave (EFHW) 40-10m with a 49:1 Unun. So my offering to FDIM 9 will also be a matter of 5: my personal selection of the top 5 HF wire antennas for the backyard and for multi-band operation. 155 - Re-Configurable Antenna for 160m and 80m. 151 - Random Wire Antenna All Bands. Your feed line is essentially the counterpoise, so a separate one is not needed. For this article we will assume you are using a wire antenna. To make portable operations easier, I wanted to build an antenna that is easy to carry and compact. Wire HF antennas are simple, lightweight, cheap, compact, easy to deploy and EFFICIENT! It's basic physics. Radio Prepper 37,079 views. My old single dipole FM loft antenna provides a strong stable signal and 50 DAB stations on my mains DAB receiver even though it's the "wrong" antenna for DAB frequencies. Facebook Messenger. Antenna bias power can be engaged in the menu, and front panel LEDs show the status. A great review of a ham Radio aerial that I have used many times. It consists of a main board with tuner and SWR indicator, two trap pcb’s and an end wire support. This antenna just performs. You may unsubscribe at any moment. Large refrigerator. Masts are usually metal, but under unusual circumstances they might be made of wood or other substances. Long wire antenna for portable operations. Perfect for the on-the-go. You can try a lightweight wire antenna if you can find a way to support it well above the ground. end-fed long wire with a 17 Ft. item 5 Portable Wire Antennas, Like New Used, Free shipping in the US - Portable Wire Antennas, Like New Used, Free shipping in the US. The hub is a centrally located assembly that allows the antenna,. Web description. 5-30 MHz: SkyWire Dipole Antenna 0. The kit consists of the Antenna with UnUn and 35′ wire, a line winder, throwing line, throwing weight and antenna stake. 36 feet of AGW 22 stranded wire. Stay away from the copper clad steel wire for portable antennas. A Ground-Coupled Portable Antenna QST January 2001, pp. Using the W7FG Open Wire Fed True Ladder Line Multi-Band Dipole Is Easy! Why use an open-wire fed doublet? Quite simply, they are efficient, broadband, easily tuned with a balanced input tuner, nearly unaffected by rain, easy to erect, stay up, and remain "trouble free" for years. But in all application you need to "adjust" for optimum performance. Alpha also makes antennas for military use. MIL-SPEC Tent Stakes - Lot of 24 FREE SHIPPING WITHIN THE U. 2ft: 30x3x3 <1: Portable Sectioned aluminum tubing with fixed loading coil. As a comparison, 4mm² corresponds to about AWG 11. 68 - Two-Bands Half Sloper for 80m - 40m. For example, modern solid state radios are designed to reduce their output power when the input SWR reaches ≈2:1. Sure you can get into specially tuned antennas of all sorts of designs, but a long wire works amazingly well. The key to end fed antenna success is the matching network interface between the long wire antenna and the coax feed line and feed line choke at the transceiver. Base HF ProMaster Antenna; Base & Portable HF 100 Watt Magnetic Loop Antenna; Base Portable HF J-Pole Alpha Antenna; Mobile HF Alpha MOTO Antenna; Portable HF DX EMCOMM Alpha Antenna; Portable HF FMJ Antenna; Portable HF VHF UHF HexTenna Alpha Antenna; My account; Cart (Total excludes import duty tax). You can do mad wonders with a 9:1 and 85' or so of plain old number 14 end-fed and strung up a tree. The W3EDP, a variation of a true Zepp, is an interesting antenna and was described in Practical Wire Antennas by John D. For RELM / BK KNG-P150, KNG2-P150, KNG-P400, KNG2-P400, KNG-P500, KNG2-P500, KNG-P800, KNG2-P800 radios: Shipped from: USA. Read all about it at Experiences with kite-supported wire antennas. The VHF only antennas are custom tunable from 136 - 999 mhz at no extra charge. It occupies a small space yet it works like a gem. whip antenna). You will need an open area large enough for the entire run of the wire. Both antennas were designed for easy construction and quick assembly and disassembly. Bathroom w/toilet & shower. On 5 watts I have worked Asiatic Russia and heard stations in Bhutan, Japan, all round the US, Africa and Europe. With the light weight and compact design, it is easy for you to carry. I built a portable version of a Cobweb antenna, it is based on a design by Stephen Webb G3TPW and my adaptation of the idea is to make it so that it can be collapsed easily and when required re-assembled and mounted hopefully on a telescopic pole. SOTA Mighty Mini End Fed 80 - 6 meters HF Multi Band Antenna 300 watts unun continuious This is an End Fed Long Wire wire antenna designed to be compact but still delivers superb performance that will cover all bands from 160 to 6 meters, including the WARC Bands, as well as 60 meters and MARS frequencies. Strip the wires. 0 Phisung E02 8in Touch 4G WiFi Android 5. They require the use of an antenna tuner. Extended Double Zepp – Longer than a dipole. Measurement results for the S11 (or SWR) a. Wire Antenna Calculator. NVIS Antennas. A wire length of 5 metres forms a quarter wavelength on 14 MHz and a half. In fact, consider using no insulator; just solder the antenna wires directly to the feedline wires. OVER 4000 SOLD WITH PERFECT SUCCESS UJM-150 End Fed Antenna Matcher Made by a HAM for Hams Tiny and light weight but ready and capable to put in work! This unit is encased in a 1"x 2"x 3" ABS box! And comes with a High quality SO-239 connector. The Comet FHJ-350M, Portable 9-Band, 1/4 wave base loading telescopic antenna for HF through 6M. DX Engineering is your #1 source for wire antennas. As with all "beam" antennas, performance characteristics of a Yagi antenna are front-to-back ratio (F/B, a. Of course for wire antennas, open-wire ladder or "window" line all the way back to the transmitter is your best choice to minimize line losses with a balanced antenna (and then it must be properly coupled to the transmitter). Doublet – Multi-band antenna that is not resonant on a particular band. Products include HDTV antennas, satellite equipment, cellular gear and accessories, video security, Sirius satellite radios, LCD television mounting supplies, GPS navigation. So I have tried a couple different portable QRP antennas, in my search for the best QRP antenna. The resource is currently listed in dxzone. AM Radio Signal Booster - The RadioLabs AN200 AM Antenna is a beautifully designed loop antenna for enhanced AM or Medium Wave reception. They have stood up to the searing heat, and bitter cold, and huge temperature swings of the SW Michigan climate, which ranges from 110 degrees F hot in the summer, to 15 degrees below 0. Dave Gauding, NF0R, is a close friend of mine, and he had told me about a St. The QRPGuys Multi-Band End Fed Antenna is designed as a portable 40/30/20m two trap wire antenna with a built-in tuner and SWR indicator. Ham Radio Wire Antennas. Thanks to the designer, GM3AXX. [KX3] Portable Antenna question. BaoFeng Antenna for ALL OTHER BANDS. 2 dB over a dipole and the yagi 5. Length: 73’ + 25" Copper Clad KEVLAR PTFE (Teflon) (-70°C to 150°C) wire. 127 - Log-Periodic Wire Antenna for 20m, 15m, 10m. 1 X 60' Copper Clad KEVLAR Wire. Wire Antennas. Magnetic Loop Antenna Project The small magnetic loop antenna is a compact efficient antenna that is ideal for portable operation or limited spaces and can be improvised inexpensively. Joe's antennas were of course, of his own design. However, it was slower on transients than the FM/speaker wire combo. Portable QRP Antennas; Hi Len, I have played with many types of true portable antennae and things that radiate while TDY and find that for DX, on the average, the best thing is a very long wire as high as possible using an antenna tuner or a resonant vertical antenna. The larger the wire, the wider the bandwidth. The dipole gives much better performance than you may expect from such a simple antenna. The overall length of the slope wire is only 60 feet long. For 100KHz up to 30 MHz - ground the outer of the F-type antenna socket on the RSP. Tin wire, used for electric fence. item 5 Portable Wire Antennas, Like New Used, Free shipping in the US - Portable Wire Antennas, Like New Used, Free shipping in the US. Are you searching for a portable qrp antenna to buy? Then this post is for you. 5-3 Three Element Portable Hand Held Yagi - for 121. 40M NVIS Antenna…. Of course for wire antennas, open-wire ladder or "window" line all the way back to the transmitter is your best choice to minimize line losses with a balanced antenna (and then it must be properly coupled to the transmitter). Antsig 14 x 26cm Black Indoor Digital. As typically installed, it is a compromise antenna but great for portable use because it is easy to pack and easy to install. Magnetic loop antennas are great for their purpose, but for low wattage (5-10w), a simple L-Match tuner and a random length wire will work on most bands and is has a lot more bandwidth without. Wanting to work more than one or two bands with a portable antenna I decided to build a lightweight inverted vee antenna that could be supported by a 10 metre long fiberglass squid pole. 130 - Earth-Mover Inverted-V Antenna for 40m. For my antenna, I chose to use a faraday shielded loop, to reduce the antenna's response to E-field interference (certain types of power line noise, for example). A random wire is a compromise portable antenna. PackTenna makes ultralight, portable HF amateur radio antenna systems and accessories. realizable goal for a Novice station using one antenna on four bands is to work all states and Canadian provinces, along with some casual DX (Europe and South. tuner, twinlead, and extra wire. I think they’ve certainly hit that mark with the MPAS 2. If the antenna is shorter than a quarter wavelength, it suffers from the same efficiency problems as the vertical antenna. Wire cutters. If properly implemented this antenna can be very good. Here is a link to a pdf brochure for an "emergency" wire HF antenna being sold to Aussie 4WD enthusiasts whose outback vehicles can lose their mobile HF antenna if they roll the truck or have any other kind of mishap while they're "out back" (now you know where the. The antenna is broad-banded and should therefore provide a low SWR across the entire 2-meter band. Take satellite TV on the road with portable satellite antennas compatible with DISH, DIRECTV, & more at Camping World. But since I have a very basic antenna analyzer (the Ham Radio Workbench K6BEZ kit), I would be using it. If you live in an area without cable TV or if you're on a tight budget and you still want TV for free, you'll need a TV antenna. Too much signal can cause more problems than too little. RCA ANT310F Amplified Indoor Antenna. The top five portable HF antennas were:No. It has one advantage. For all my wire antenna projects I always use extremely flexible and comparatively cheap black-coloured 4mm²-sized tinned HO7 V-K 4 wire. Copper house wire prices have skyrocketed in the recent months. In my quest to find an easy-to-deploy all-band antenna, I have experimented extensively with the W3EDP wire antenna. Web description. My old single dipole FM loft antenna provides a strong stable signal and 50 DAB stations on my mains DAB receiver even though it's the "wrong" antenna for DAB frequencies. Double Extended Zepp Antenna 25. HF Antenna Ground Plane Counterpoise System - Stainless Steel, 8 Radial, 20M Diameter Suit Hi-Rise Buldings or Below Ground. Best Portable QRP Antenna. I recently purchased a Uniden 980 SSB, Firestik antenna and cables and mount to install in my F-350. F4261DS GPS UHF Waterproof Hand Held Portable Radio Download the IDAS Brochure to learn what IDAS can do for you! Price Includes: Radio (400-470 or 450-512 MHz Optional) BP232WP IP67 Waterproof 2300mAh Lithium Ion Battery Pack Desktop Charger (Optional) Antenna Belt Clip 3 Year Factory Warranty Built-in GPS Receiver Your current position data can be attached. Total weight is slightly less than 1. The Comet FHJ-350M, Portable 9-Band, 1/4 wave base loading telescopic antenna for HF through 6M. SOLID SIGNAL provides products and advice 24 hours a day, 7 days a week so that customers can be sure to find everything they are looking for in audio and video technology. The house ground wire is required to be at least 2 AWG. The Outdoor Shortwave Antenna is fully assembled, uses stainless steel hardware and UV protected coils and components and No. Dave Gauding, NF0R, is a close friend of mine, and he had told me about a St. The 40 Meter Off Center Fed Antenna (OCF40Q) is a great multi-band antenna. Davis RF Co - Wire, Cable, Dacron Rope Supplier; Degen Designs-- MiniQuad three band, portable, high performance mini-quad antenna; Delta X-Ray Antennas - - HF Delta Loops and VHF/UHF ground plane antennas (site is gone, link goes to page archive). For the first 4 seconds I used the loop antenna. phantom antenna- transceiver switcher HF 5-band MOSFET power amplifier 30 amp heavy duty power supply 20 amp regulatable power supply new design DRM converter used in a Yaesu FRG-100 10 watt HF 17 meterband amplifier. Manufacturing Hexbeams Since July 2009. TAK-tenna 40 to 10 meter Multiband Antenna Boom = 30 in/76cm; sprial radiating element = 30 in/76 cm diameter; weight = 4 Lbs/1,8Kg TAK-tenna 80 to 6 meter Multiband Antenna. $269 500W 10-40m portable vertical (Alfa Antenna Promaster Jr. All of our ladder line and antennas are custom manufactured in. Ideally it should be copper wire (yeah sure! Have you seen the price of copper?). MP Antennas: Super-M 400 Base Base Antenna 400-500 MHz: Super-M Classic Base Base Antenna 25-1300 MHz: Super-M Ultra Base Base Antenna 25-6000 MHz: Surmen: SX- 3 Vertical 2M/440 : SX- 5 Vertical 2M/440 : SX-20 Vertical 2M/440 : Coax-Seal: Coax-Seal : Please also see: Amateur Wire Antennas: Amateur Mobile Antennas: HT/Portable Antennas: Antenna. I found fiberglass reflective driveway markers at the hardware store for about $3. You can fold the antenna over until it touches the roof of the van and the mag-mount stays put. This antenna has been up about 6 weeks through some pretty strong winds and hasn’t come down, so it looks like the mast is supporting the weight of the coax and antenna wire fine. With this antenna 10 feet in the air and my Elecraft K2 at 5 W output, I had no trouble. DX Engineering is your #1 source for wire antennas. A Four-band "Tree" Vertical QST November 1995, pp. It is similar to the popular screwdriver antenna but at a greatly reduced cost and without complicated mechanical breakdown. 5m high; in the base is isolator PVC pipe with diameter of 50mm and 0. At VHF and UHF, portable antennas are very small, light, and easy to pack and carry. The wire is threaded into the PL-259 piece as the coax plug is inserted (jammed) into the other end. In typical portable use on a short mast near the ground (or as an attic stealth antenna) the pattern will be distorted and nearly omni-directional at all vertical angles.
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