HF Antenna
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Antennas : 20M : 20 meter Dipole Antennas- VK5AH -HF 4 Bander dipole
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- A multiband 80-40-20-15 meters dipole wire antenna that can be extended to cover 160 meters too.
[ Hits: 54024 | Votes: 22 | Rating: 6.68 ]
- 2-Element-Yagis for HF
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- 2-Element parasitic Yagis for the Shortwave-Bands 10-12-15-17-20-30m. The antennas are feeded with the DK7ZB-match. A quarter-wave choke of coax is grounded at the socket.
[ Hits: 50022 | Votes: 146 | Rating: 7.08 ]
- 3 Element Yagis Antennas for HF
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- All these plans use the DK7ZB match
[ Hits: 27591 | Votes: 68 | Rating: 4.97 ]
- 2m VHF antennas with high gain
- 2m SSB/CW-12.5 Ohm Yagis with extrem high gain and small bandwidth.
These Yagis were constructed as ultra-light, portable Yagis with extrem high gain. They have small bandwidth and are working from 144,0-144,8MHz with good SWR.
[ Hits: 8261 | Votes: 12 | Rating: 7.75 ]
- Shortened Center-Fed Half-Wave Dipole
- Design your owm HF shiortened dipole. Includes a diagram of a lumped-constant loaded dipole antenna that is intended to fit in available space, rather than requiring a full 1/2 wavelength, at a specified frequency
[ Hits: 2878 | Votes: 6 | Rating: 9.83 ]
- VHF UHF antenna for mobile transceivers
- A whip antenna for VHF and UHF handhelds or mobile radios
[ Hits: 13502 | Votes: 42 | Rating: 5.09 ]
- Antenna Gain Comparison System
- This device goal is to optimize homebrew antenna for the V/UHF band. This tool, is based itself on the simultaneously comparison between two antenna, directly in dB. by IK0BDO
[ Hits: 2212 | Votes: 12 | Rating: 5.58 ]
- HF Log Periodic antenna
- Plan for a log periodic antenna for the 14Mhz-30Mhz by F6DOP in french
[ Hits: 4253 | Votes: 2 | Rating: 4 ]
- HF multiband vertical Antenna
- YF1AR multiband vertical antenna, based on orginal concept by VE7BS. Consist of 6 vertical elements and 6 base radials with a single 50 Ohm feed line.
[ Hits: 1539 | Votes: 4 | Rating: 3.25 ]
- DCTL Portable Antenna
- A Low -Power, Distributed Capacitance Twisted Loop , indoor portable HF antenna by Monty Northrup, N5ESE
[ Hits: 2158 | Votes: 2 | Rating: 10 ]
- 137 MHz QHF Quadrifilar APT Antenna
- This version of the 135MHz quadrifilar antenna for APT reception is an adaptation from Bill Sykes and Bob Cobey's article Taming the QFH which appeared in the March 1997 RIG magazine.
[ Hits: 6745 | Votes: 34 | Rating: 4.95 ]
- Secrets of a Successful Stealth Operator
- N5IW ideas to build your own antenna in a restricted lot, or a stealth antenna. Includes PPT files of HF and VHF stealth antennas.
[ Hits: 3807 | Votes: 2 | Rating: 5.5 ]
- CommsAudit
- Commsaudit uk, i/q quadrature , hf receivers, rf, multicoupler, multicouplers, switch matrix, antenna matrices, masthead amplifier,, vhf receiver, uhf,
[ Hits: 604 | Votes: 9 | Rating: 8.45 ]
- SSB Electronic USA
- manufactures and distributes HF, VHF, UHF and SHF equipment covering 10MHz. - 47.0GHz. Our products include: Wireless LAN / WAN Bidirectional Linear Amplifiers, Low Noise Preamplifiers - LNA's, RF Linear Amplifiers, Relays, Transverter Systems, Frequency Translation Systems, Downconverters, Antennas, Parabolic Dishes, Coaxial Cable, Relays, Antenna Switches, Microwave Test equipment, PC controlled Receivers, Microwave Linear Amplifiers including models for Telemetry, Wireless, and CDMA applications.
[ Hits: 8402 | Votes: 8 | Rating: 6.12 ]
- GS Manufacturing
- HF Mobile and maritime antennas for 40-80-160 meters
[ Hits: 1653 | Votes: 5 | Rating: 9 ]
- Stealth Telecom
- RF engineering solutions, HF VHF antenna systems and radio communications equipment.
[ Hits: 2617 | Votes: 2 | Rating: 5.5 ]
- ZeroFive Antennas
- Vertical antennas for all HF bands, expecially 80 40 20 meters bands
[ Hits: 7081 | Votes: 40 | Rating: 9.24 ]
- Q-MAC
- Tactical Radios Manufacturers of HF and VHF Transceivers, NVIS Antennas, Portable and mobile antennas for military and commercial use.
[ Hits: 2493 | Votes: 1 | Rating: 10 ]
- RF HAMDESIGN
- An engineering oriented organization specializing in the design and manufacture of high performance parabolic antennas, 3dB high power RF couplers, Antenna power splitters, directional RF couplers and more items for RF transmission from HF through Microwave frequencies.
[ Hits: 1615 | Votes: 5 | Rating: 9 ]
- ICOMM Tele Limited
- Largest Capacity of 200,000 MT for Towers & market leader in India with backward integrated rolling & manufacturers of Shelters, V/UHF, Patch Panel Antennas, DIAS & DWDM Equipment
[ Hits: 959 | Votes: 2 | Rating: 5.5 ]
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