Installation Instructions Hustler 6-BTV Trap Vertical ASSEMBLY 1. I chose 58' for Mid 80 Meter Operation. This antenna just works. 6 MHz and you arrive at an overall length of 130'. 40/20/15/10/6/2 Meters Halfwave Vertical Antenna MFJ-1796W. The vertical part is 20 cm long. NOTE: This antenna can be cut for the 6 meter amateur radio band and makes an excellent repeater antenna. Elevation Plot on 20m Measurements to build a Moxon 6 element: Moxon 8 element: This antenna has a good F/B and very high gain. 25″ for 1/4 Wave and used two fishing sand spikes to mount them on the rails of my lanai and connected them both with a “T”connector to get some very awesome gain. 500 Watt enclosed coil and 2 sets of 1/4 wave radials which provide complete mast decoupling and optimum pattern and gain. Full Band Coverage 144 - 146 MHz. American Radio Supply - HamStick Amateur Radio Mobile Antennas Mobile Monoband Vertical HF Ham Stick Antenna Hamsticks Hamstik The cookie settings on this website are set to 'allow all cookies' to give you the very best experience. Radio Design Ham Radio Antenna. Best way to build antenna for 600 / 2200 meter bands? I know that I would probably be talking to myself (I have a portable shortwave radio and a few of my HF radios go down that far). It works on 2-6-10 and 12 meters band. Radio Design Ham Radio Antenna Hams Radios Ham Radio Theory Ham. A 2-Meter Vertical Dipole Array, KG4JJH Page 1 of 6 A 2-Meter Vertical Dipole Array Build this 2 or 4-Element VHF repeater antenna with up to 9. Other antennas include a 2/440 vertical, 6 meter horizontal loop and a 220 yagi. Zero-5 What in the Shipping Box ? 43 Foot Vertical. The fibre masts are just tall enough to hold a 5/8 vertical for 20m, the idea of building a 5/8 was born. Pick up locally. This HyGain AV-6160 is a 43-foot selfsupporting vertical antenna that covers 160 through 6 Meters with the use. 11b 11Mbps Wireless LAN 6dBi Gain Patch Antenna DWL-M60AT 2. simple 10 meter coiled antenna. I have the antenna connected from drain pipe to tuner, MFJ 696,I have a lot of noise on all frequencies. This is a very simple antenna to build. This was created as a fun project to demonstrate how to enjoy operating HF in the field with a home-made portable antenna without spending a ton of money. All information, images, and documents on this website are the sole property of MFJ Enterprises, Inc. build a remote antenna switcher. By John Portune W6NBC. Step 6: To install the antenna to your mast: A. Vertical antennas can be very effective in long range communication due to low take off angle of electromagnet waves (for reception and transmission), can be installed in a small area for stealth purposes, yet they can also be hard to match and may exhibit higher noise levels than horizontally polarized antennas. Hourglass Loop Antenna Build this simple VHF/UHF bidirectional antenna from readily available materials. Your Cushcraft 6 meter beam is designed and manufactured to give top performance and trouble free service. Legal Limits of 1500 Watts PlusFalcon 80 - 6 Meter Off Center Fed Windom Style Dipole Base Station Antenna With A 4:1 Balun built in. Choosing a Backup Generator Plus 3 LEGAL House Connection Options - Transfer Switch and More - Duration: 12:39. VHF and UHF antenna fundamentals Almost all of the fundamentals we have discussed so far are equally true for all the HF bands and VHF up to about 70 mHz. Manufacturer of Wireless Accessories - Apparatus - Networks - Digital - Voice Transmission - Reception - Voice - Image - Data Communication Apparatus - CW SSB FT All Modes - HF Portable - Mobile - Telephone. Unanswered Comtek 20VA - 20VA 20-10 Meter Vertical Antennas questions & open problems. • The calculators give you theoretical values, your actual construction will also affect the antenna greatly. Made from heavy 1/8th wall aluminum. 1) My 40 foot top loaded VERTICAL was fed to the FT100d transceiver thru an LDG auto tuner. 5 foot 6/10/12/15/17/20 Meter HF Vertical Patriot Antenna w/ 1500W PEP AH-2B Icom AH-2b bumper mount antenna covers 40 to 6 meters for Icom AH4 antenna tuner. Do you want to remove all your recent searches? All recent searches will be. An isotropic antenna is an antenna that exist only in theory. Operate 12, 17, 30, and 60 Meters with these MFJ Stealth WARC Band Vertical Antennas. In the meantime, I thought I'd go back to a vertical. After a successful experiment with a 1/4 wave vertical for 40m we wanted to build a vertical for 20m too. Other antennas include a 2/440 vertical, 6 meter horizontal loop and a 220 yagi. Shop our selection of long-range base station CB antennas from Solarcon, Maco and Firestik. I have a station at home where my antenna 'farm' is located on the lower roof of my house about 40' off the ground - not very radial-friendly. For some reason I spared the unit on clean up date and it has now become useful. 092 wavelength long. Handles 500 Watts. Since the antenna is only up from 15 feet to about 35 feet above the ground, it is not a DX antenna on 160 or 75/80. You'll lose a lot of signal if you run a 2 meter antenna horizontal. Second was to be able to use some of the local 6 meter repeaters and third was to be able to use single side band when the band opens. The higher the frequencies become, the more physical characteristics diverge. Half Wave Vertical vs. Figure 7 DD of the Simple Vertical Antenna for the 6- and 2- meter Band at the 2- meter Band. Free Shipping by Amazon. Boom is 1" sq. 0 and 6 a 2. 160m Capacitance Loaded Vertical Antenna. 092 wavelength long. I would leave those on the antenna and keep them a reasonable distance from the metal roof, as much as a wavelength if you can manage it. Operate 12, 17, 30, and 60 Meters with these MFJ Stealth WARC Band Vertical Antennas. How To Build A Dipole Antenna. For our 15 and 20m verticals we applied 16 radials for each antenna, each radial being about 6 meters long. Other useful information would include your experience with similar products, infomation on a product that you would purchase instead of this one, and so on. for the 6- and 2- meter Band. Radio Design Ham Radio Antenna. Antenna IMD acronym meaning defined here. The end fed feature adds convenience, but does present another issue. A much better type of antenna then a simple quatre wave and that has more gain is the 1/2 wavelength vertical. Plus, it would be nice if it were omnidirectional. 562€ft (2€meter) Pigtail with TNC(m) RF Connector Antenna Specifications Parameter Value Units Tolerance Antenna Pattern Omni Antenna Frequency Band L Impedance 50 Ohms Minimum Frequency 1. Post The 6 meter Delta Loop Tutorial. Since 10 meters and cb (sometimes refered as 11meter) are so close in bandwidth often a cb antenna can be tuned for 10 meter. ANY antenna works better if you raise it higher, up to about half wavelength above ground. It weighs just 20 lbs. Figure 4 - λ/4 ground-plane vertical with four radials. power load 200 W PEP, SWR <1. Dimensions 6,3 * 4,0 meter, the aluminum boom is only 4,8 meter, gain 9,8dBi. UPDATE 10/16/07 Scroll down below the 30 meter antenna pictures and see my 17 meter "sorta vertical" that I mounted on the side of this mount. Still to add is a two meter yagi for CW. The detailed construction drawings, sheets and. The 10 and 6 meter spreaders also use the same spreaders. SE X80 Vertical HF Antenna. There is even a 17 meter DX version available from some suppliers and homebrew designs are online. It`s a great way to join new local nets and roundtables, explore the 75-Meter DX window, or add exciting digital frequencies to your operating repertoire. Thanks for the suggestion. Robert Witmer, W3RW In August 1995 I came across an old Clegg Venus 6-meter SSB/CW transceiver (a 1960s vacuum-tube rig). This antenna is a candidate for a 'Big Box Store' special where the materials. Remove the nuts, washers and saddle from the U bolt. Document Includes Test Setup Photos Test Photos Rev 3. com Features： Description： TL-ANT2406A 2. The antenna can be pole mounted at ground level or elevated depending on the user personnel requirements. ost commercial 2-meter repeater antennas with gain fall into two categories:. 2019 popular antenna huawei, 2g antenna, antenna for gsm, antenna for router trends in Consumer Electronics, TV Antenna, Antenna, Replacement Parts & Accessories with 3g Antenna External and antenna huawei, 2g antenna, antenna for gsm, antenna for router. thin-wall aluminum antenna tubing. It are easily installed. Another thing I like to do is plug in the vertical's feed line to my antenna switch and then I can flip the switch back and fourth between the home brew vertical and my 40 meter end fed half wave for side by side comparisons. Discover ideas about Radio Design. Six Meter CW/SSB Center Frequency: 50. Steve's design included using pvc pipe for his 2 element, 6 meter beam, and his 3 element, two meter beam. Get it as soon as Tue, Oct 29. Free Worldwide Shipping. You will have mixed results working DX with a vertical antenna on 6 meter SSB. Older AR6 6 meter vertical antenna. That’s right, it’s. Antenna Tuning 10 meter base Vertical Put my 10 meter hygain super penetrator spt 500. enclosed collinear If the antenna is to be used outdoors, the end caps should be glued on with appropriate conduit glue, to ensure a weather-proof seal. One manufacturer adds in ground gain, raising the actual free space gain by 4 or 5dB. Shipping the 6 Meter J-Pole antenna. Since the picture was taken, I've added a coax balun at the feed point similar to that shown in the ten meters antenna pictures. If you happen to be on 80 meters tonight around 2100 local (0200UTC), please join myself, Jon (N5CFB) & Fred (KG5PWA) test out some 80 meter antennas! Jon has been working on an 80m homebrew coil for the Buddistick vertical whip. Handmade Slim Jim Antenna's by N9TAX Let me start by saying that since discovering the slim jim antenna design I have really come to respect these antennas. With is this diagram, we have lowered the antenna from 1/8 wavelength (32 ft. build a remote antenna switcher. NIB USA 6 Meter HAM CB Radio Base Vertical Antenna Specialists Scanner VHF Coax in Consumer Electronics, Radio Communication, Antennas. You never quite know when the band will open and where it will take you. I wanted an antenna on a top mount for my pickup, shorter than required for actual 6 meter 1/4 wave. are world renown for their unique characteristics in the 40 meter and 20 meter bands. A set of GUI programs - for calculating Radio Frequencies into Vertical Antenna Wavalength's - raseribanez/Antenna-Length-Calculator. MFJ-2215, 15 Meter Mini-Dipole Includes MFJ-347 & 2 MFJ-1615T Hamstick Antennas $49. Thank you for purchasing the Alpha 6-160 from Alpha Antenna. FS 6 METER DIAMOND MOBILE ANTENNA. ) Both shall be supported at a single point to minimize the footprint, obviating the need for. The 6 meter antenna is the vertical that can be seen on the left - it's whip being visible in the full-sized picture. Find Ham 6 Meter Vertical Antennas related suppliers, manufacturers, products and specifications on GlobalSpec - a trusted source of Ham 6 Meter Vertical Antennas information. above ground. But my old CB base antenna I had is long gone and I had always wanted to see how a vertical dipole antenna would work. I used EZNEC to try different vertical spacings with the goal of increasing the gain before the sidelobes get too large. There were a few goals for this antenna. For VHF, anyone who has ever used the old AEA Hot Rod end fed half wave antenna for an HT know the drastic improvement it made over a 1/4 wave antenna. Conditions are expected to improve in the near future as Solar Cycle 24 progresses, so it seems a good time to add a 6 meter antenna. Shipping the 6 Meter J-Pole antenna. Above: Screen shots from several EZNEC v. However, if you adjust the antenna to a frequency lower than the true resonant point, the indicated SWR will decrease, perhaps to 1. A third class of vertical antenna that is becoming popular is the non-resonant vertical antenna. 0 and 6 a 2. Part of the issue is the requisite inductance of the coil. For SSB/CW/AM operation at the lower end of the 6-meter band horizontal polarization is normally used. An Amateur Radio Project. June 11, 2019 1321 UTC | N7CZ. Being a half-wavelength on that band, the antenna pro-vides an efficient low-angle radiation pattern, with roughly a dB of gain over the shorter standard quarter-wave vertical. The antenna can be pole mounted at ground level or elevated depending on the user’s personal requirements. Here's another simple, effective, and inexpensive antenna suitable for both home and field use. The 6-20mtr vertical antenna can be assembled and installed very quickly because it has a single 5,4 meter telescopic element and therefore no guys are needed. Place the antenna onto the mast and secure with a soft knob as shown in the side view. On the 27 MHz CB band;. 2 GHz: GP98 Vertical 2m/70cm/1. Fed directly with 50 ohm coax this would yield a SWR of 4:1 on 6 meters and 24:1 on 10 meters. New basic, questions: increase techniques who “Here published active system. Super wide bandwidth means more time operating ,and less time stuck on a frequency your trap vertical is tuned for. even a little more tricky to predict especially when the 75 meter antenna is only at. Contact one of your local Diamond® Antenna Dealers for current price & availability. Ken's Electronics, (Wholesale & Retail Electronic Parts) Kalamazoo, Michigan Please click CONTACT button above and read answers to Frequently Asked Questions before Emailing or telephoning with orders or questions. The X80 is an end fed aluminium vertical antenna, capable of allowing the user to work 80 meters through 6 meter bands using an ATU, also not requiring any counterpoise and can be fed using coax cable. Since the antenna is only up from 15 feet to about 35 feet above the ground, it is not a DX antenna on 160 or 75/80. OCF Dipole 7 band 80 -6 Rick on 27th Mar 2018 You are not going to find a better antenna than this one. Get it as soon as Tue, Oct 29. We have assembled the best team, suppliers and parts manufacturing to provide our clients with HF antennas that will be considered a work of art. Page 121 of MFJ new 2013 ham catalog Hy-Gain's PATRIOT HF vertical antennas are the best built, best performing and best priced multiband verticals on the market today. TWO ELEMENT PHASED VERTICAL SYSTEM "Christman Phasing" by W4NFR 5-22-2011 I have always been curious about vertical antennas and how to make them efficient. Notice that the pattern is nearly identical. Known as the Magic Band, the six meter band can be mysterious, unpredictable, and downright fun. This configuration proved stable and was easy to raise and lower to make length adjustments on the elements to tune the antenna. Made from heavy duty aluminum, the CP6 is easily assembled, yielding excellent performance and reliability from a compact base station antenna. What is a good *simple* 10 meter antenna? Length is 17' with two 8' vertical drops. Wire 2 is the long vertical element. All the competition has to offer is unity gain at best per antenna bay and half of that on all CP models. Help & support Electronics - Other owners by providing helpful answers, troubleshooting tips & repair advice. No other omni directional CB antenna can come close to the gain of this antenna. Manufactures antennas, SWR meters and power supplies primarily for the Amateur Radio market. Also Great For Limited Spaces. But a hex beam for 40 meters is about 41 feet in diameter and weighs probably 45 pounds. The lower part with the SO-239 is 6 to 6cm The upper part is 4 to 6 cm. 6 Element Rear Mount FM Repeater 2 meter Yagi Antenna. A 6 Meter Moxon Antenna Discover 6 meters for the first time or enhance your existing operation with a rugged but portable version of this novel 2 element antenna. Weather Tight Outdoor Design. That is more than enough to work the entire six-meter amateur band! But that is not enough. An Amateur Radio Project. 11b 11Mbps Wireless LAN 6dBi Gain Patch Antenna DWL-M60AT 2. Larget and Best Sales, Equipment, Service and Supplier of Amateur Radio, Ham Radio, and Communication Equipment in New York | RW Antenna Store. The antenna can be pole mounted at ground level or elevated depending on the user personnel requirements. Cheap CUSHCRAFT AR-10 - 26-29. · 6 Meter 5/8 Wave Vertical Antenna Project by G3JVL - The G3JVL 6 Meter ground plane vertical is a compact antenna that is ideal for portable operations. The merits of this antenna include low SWR across most of the amateur ham radio bands. Many thanks! That was a nice easy project and the. UHF Yagi-style anten-nas can usually be mounted with about a 4-foot vertical separation. For this reason, you should use an antenna analyzer with a reactance readout, when adjusting any antenna matching coil or device. WHIP LENGTHS (number of sections) Standard Long DIPOLE 4 1/2 2 1/2 REFLECTOR 5 1/2 2 3/4 BUDDIPOLE 6 M. G4NSJ amateur radio Ray QTH Worthing West Sussex UK Locator IO 90 TT I’m active on two metres, also monitor GB3WO 70cms repeater in Worthing, West Sussex. Place a 1:1 Balun on the Antenna end of the Feedline. So in this case, we want to build an antenna for 6 meters, 50. A portable 2-element VHF yagi May, 1997 Here's a simple Saturday project: build a portable VHF yagi antenna for 2 meters. on 6 meter mast above two TV antennas. SWR is fantastic. Figure 6 SWR of the Simple Vertical Antenna for the 6- and 2- meter Band at the 2- meter Band. Lets build a vertical antenna for 6 meters today by modifying an old Radio Shack CB antenna. I found a terrific site by John VK2ZOI who constructed a vertical coaxial dipole named the ‘Flowerpot Antenna’ for obvious reasons. This fantastic true full-size 5/8 Wave 10 / 12 Meter vertical antenna from Hy-Gain was a legend in the 70's. The free space gain is 2. An Overview of the Underestimated Magnetic Loop HF Antenna. HRO Discount Price: $239. Diamond 6 meter vertical. All FM antenna sales include free tuning to your frequency. After a successful experiment with a 1/4 wave vertical for 40m we wanted to build a vertical for 20m too. 160 Meter Inverted-L Bazooka Antenna- A DOUBLE BAZOOKA antenna is an extremely broad-banded Half Wave Antenna that can operate efficiently across an entire Ham band with little change to the SWR. Antennas 2x6 elements yagi for 2 meters and 2x13 elements Yagi for 70cm. This vertical antenna has no lossy traps or coils to burn out. At this point the 7 element, 6-meter, C3i beam was raised to the top of the tower and mounted on the inner mast right at the top of the outer mast. Half Wave vertical Dipole?? 6. 10/15/20/40 Meter Vertical Antenna for Restricted Areas Operate 12, 17, 30, and 60 Meters with these MFJ Stealth WARC Band Vertical Antennas. Base Antennas JTV680 6-80 Meter HF Vertical: JTV10 10 Meter Vertical: JTG5RVJR 10-40 Meter G5RV Type Antenna: JTG5RV 10-80 Meter G5RV Type Antenna: JTG5RVSOLID 10-80 Meter G5RV Type Antenna Solid Ladderline: JTG5RVSR 10-160 Meter G5RV Type Antenna: JT144 2m Vertical: JT1442 2m Vertical: JTB1B 2m/70cm Dual Band Vertical: JTB2B 2m/70cm Dual Band. I am amazed - from the time I opened the box. meter demarcation box disconnect 4'-6" 2' 3'-6" light pole scada antenna control panel gate stopper 17'-3" 3. I have a station at home where my antenna 'farm' is located on the lower roof of my house about 40' off the ground - not very radial-friendly. Free Shipping by Amazon. He has a balcony on the rear (south) side, but high buildings are very close, he has no direct sight in any direction. However, if you adjust the antenna to a frequency lower than the true resonant point, the indicated SWR will decrease, perhaps to 1. The quality workmanship is far superior than others. All information, images, and documents on this website are the sole property of MFJ Enterprises, Inc. com Features： Description： TL-ANT2406A 2. I have the antenna connected from drain pipe to tuner, MFJ 696,I have a lot of noise on all frequencies. A third class of vertical antenna that is becoming popular is the non-resonant vertical antenna. Retrieve Doc. The dipole consists of #18 stranded insulated wire. At 75 feet in length the unique design characteristics of your 6-160 Meter HF J-Pole antenna enables it to achieve resonance on the major HF bands (6/10/15/20/40 Meters) and presents a SWR on all of the HF bands, including 80 & 160 Meters, that is low enough for 10:1 tuners to. 15 GHz e-plane dBi WAC6503D-S Smart Antenna 5. Manufacturer of Wireless Accessories - Apparatus - Networks - Digital - Voice Transmission - Reception - Voice - Image - Data Communication Apparatus - CW SSB FT All Modes - HF Portable - Mobile - Telephone. A lot of baloney has been written about the SWR meter, but the little bugger really isn't very complicated once you grasp some funda-mental ideas. I used your formula and wound the coil directly onto a cut-down Shakespeare VHF marine antenna cut to 30 inches and machined a stainless plug for the top with a hole and setscrew for a 1/8″ whip. The antenna to the first joint of the drain pipe is about 6 ‘. Home-Base HF Vertical Antenna. Thanks for the suggestion. Alpha Antenna 6-80 Meter HD-FMJ portable HF antenna [Alpha_Antenna_HD-FMJ_HF_System] - The Alpha HD-FMJ (Heavy Duty Full Metal Jacket) system is a complete 6-80 meter 500 watt OCF (off-center fed) type HF antenna that is pre-tuned and requires no moving clips on coils or readjusting of whips for tuning. 0 and 6 a 2. SWR is fantastic. On the HFN HAM ALE. S measurements. The fibre masts are just tall enough to hold a 5/8 vertical for 20m, the idea of building a 5/8 was born. FS: 10 thru 40 meter. 86 Mhz 3rd Harmonic Halfwave in space is: 9. I cut my radials at 6. Click on image for higher resolution. Find the (lowest) frequency for which you have minimum return loss. 0 and 6 a 2. 9 ft² 2) Preliminary antenna design based on a wind speed of 90 miles per hour (MPH) with no ice and 40 MPH with. Adrian PA0RDA and I once bought a bunch of glass fibre masts with a length of 12. Click Here to see more on transmitting Loop Antennas from AA5TB. On HF it doesn't matter so much but on 2-meters it does. But a hex beam for 40 meters is about 41 feet in diameter and weighs probably 45 pounds. build a remote antenna switcher. Wire Gain Antennas for 6 Meters Get some gain on 6 meters—without investing in a beam and rotator! By J. The 6 meter antenna is the vertical that can be seen on the left - it's whip being visible in the full-sized picture. All information, images, and documents on this website are the sole property of MFJ Enterprises, Inc. 6-80 meter vertical, no radials, fiberglass jtv-680f multi band hf base antenna. The Length of the 75 ohms coaxial cable " each " is 32 inches. 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. Contact one of your local Diamond ® Dealers for current price & availability. I set to work to scale the antenna from its original size up to a length that would work for at least part of the 6 meter band. A 1/2 wave element would be very easy to install on my existing mount. However, I put the article and the idea aside, because I had no interest in a 6M vertical antenna for this QTH (nor, for mobile operation, either. The 160 meter loaded vertical antenna is constructed using an inexpensive Telescopic Fiberglass Fishing Pole 12m in length. Figure-2 Delta Loop and Vertical Dipole (right) After the initial installation, the first step was to measure the VSWR. org The … K6MYC on Antenna Testing. It should do OK on 20 meters up. The antenna is actually a 24 foot painter's pole with a fiberglass bottom section and two aluminum telescoping tubes that I adjusted for length. Want a better 2 Meter antenna?? How about a 2 Meter Vertical Dipole? Remember no messy Radials -or- ground planes here. A Portable 75/40* Meter NVIS Antenna - with 3/2/'09 updates - by David B. meter is measuring. In a pinch, a 2 meter 5/8ʎmobile antenna can be used on 6 meters (I have!) 1/4ʎon 6 meters is 55. Typically has 6 db (approx), over any other 5/8 wave antenna. I used EZNEC to try different vertical spacings with the goal of increasing the gain before the sidelobes get too large. Â No change to the gamma arm will be required if this antenna is altered for 6-meter FM. As expected, once tuned, the SWR was 1:1 in the middle of the 20 meter band and 2:1 in the 10 meter band. 5' VHF Inflatable Emergency Antenna 3dB Galaxy. Why Six Meters. You can further reduce the height of the antenna by placing a capacitance "hat" at the top. com FREE DELIVERY possible on eligible purchases. 5 meters or less (one half of alias free range). Second was to be able to use some of the local 6 meter repeaters and third was to be able to use single side band when the band opens. Only a few lucky hams have room for this type of antenna on 160 or 75 meters but on 10 meters the overall length is just 43 feet long! This is smaller than a 40 meter dipole. Product Description. Do you want to remove all your recent searches? All recent searches will be. All the competition has to offer is unity gain at best per antenna bay and half of that on all CP models. Add To Cart. It are easily installed. dqwhqqd zlwk 6:5 qhyhu juhdwhu wkdq derxw rq dq\ edqg lw lv exlow iru 'hfhpehu
1/4-wave vertical 60-15 meters, but 5dB down from 10 meter ¼-wave vertical at 10 degree take off angle (but higher Rr compensates some) Really needs base matching on 160/80-meters Regardless of what the 43-foot antenna vendors say Example: With Rg = 10Ω, 160 Meter SWR = 324:1, 80 Meter SWR = 41:1. VHF 1/2wave vertical antenna for the 6-meterband (50 Mhz) RE-A50V12 By Guy, de ON6MU. I have been searhing for designs for hours, and I have seen calculators for 1/4 wave ground plane antennas, but full wave should theoretically have more gain (please correct me if I am mistaken). The antenna survived the fall to the ground with no damage. Ham Radio and Amateur Radio online equipment sales.