rf antenna
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Antennas : 2M- 2 Meter Vertical Moxon
- A home made vertical polarized moxon antenna for 144 MHz, includes dimensions, antenna pattern, SWR and antenna gain plots by WB5CXC
[ Hits: 2086 | Votes: 4 | Rating: 7.5 ]
- Improving Surface Wave Antennas
- Making the Short dual wire Beverage better by Jeff Smith VE1ZAC
[ Hits: 402 | Votes: 1 | Rating: 4 ]
- End Fed Half Wave Antenna Coupler
- Centre fed half wave dipoles make great, simple and effective antennas for the HF bands. Sometimes however, the centre feed is not ideal. This great project will improve the overall antenna performance.
[ Hits: 1426 | Votes: 1 | Rating: 10 ]
- Antenna feed impedance
- Article on antenna feed impedance and the importance of matching RF andtennas to feeders, including notes on Radiation resistance, loss resistance, and efficiency are also detailed.
[ Hits: 430 | Votes: 1 | Rating: 10 ]
- 6 m JPole Antenna
- Based on original G2BCX design this J-Pole antenna for the six meter band is made with a homemade ribbon cable. The antenna shown in this article includes a coaxial cable choke feed to remove RF currents from flowing on the outer of the cable.
[ Hits: 1767 | Votes: 6 | Rating: 6 ]
- Archery Antenna for 13cm
- A simple efficient and perfoming antenna similar to the short-backfire antenna project
[ Hits: 255 | Votes: 1 | Rating: 10 ]
- Classic Multiband Dipole
- The Classic Multiband Dipole Antenna QST article. The open-wire feed line dipole antenna is easy to install and offers surprising performance on several bands. You can install it in almost any configuration; it does not have to be strung in the traditional horizontal flat top
[ Hits: 2174 | Votes: 3 | Rating: 10 ]
- Resonant Feed Line Antenna for 40m
- A Resonant FeeD line (RFD) antenna for 7 MHz prohect tested and tuned.
[ Hits: 653 | Votes: 1 | Rating: 10 ]
- RFD Antenna for 2m
- Building a Resonant Feed line Dipole for 2 Meters
[ Hits: 796 | Votes: 3 | Rating: 7.67 ]
- Revisiting the Resonant Feedline Dipole
- An article on RFD antennas, resonant feed-line antennas
[ Hits: 678 | Votes: 2 | Rating: 10 ]
- G8JNJ Broadband HF Vertical Antenna
- Broadband HF Vertical antenna which does not require a tuner, and which is capable of providing reasonable performance on all bands from 7MHz to 28MHz
[ Hits: 1461 | Votes: 1 | Rating: 10 ]
- VU2NAN Nandu
- Homebrew Antennas, Transmitters, Receivers, Converters, Keyers and SWR/RF Current Indicators with photographs an excellent blog with many projects by VU2NAN
[ Hits: 273 | Votes: 2 | Rating: 9 ]
- Perfect Quad Antennas
- Perfect Quad Co,Ltd japanese ham radio quad antenna manufacturer
[ Hits: 934 | Votes: 2 | Rating: 1.5 ]
- Universal Tuner Interface
- An universal antenna tuner interface, the Kenwood Remote LDG Tuner Interface by af6sa
[ Hits: 359 | Votes: 0 | Rating: 0 ]
- RemoteShack.com
- Manufacture remote control interfaces to manage several kind of ham radio transceivers, Antenna rotators and antenna switches. Control can be done using smartphone Apps or from Computers.
[ Hits: 522 | Votes: 0 | Rating: 0 ]
- AIM 4170 CQ Review
- Array Solutions AIM 4170 Antenna/Lab RF Analizer published on CQ by AD5X
[ Hits: 260 | Votes: 0 | Rating: 0 ]
- Calibrating the MFJ-259B Antenna Analyzer
- This calibration procedure is the correct procedure for later MFJ-259B's. Disregard any other information. Since MFJ-259B software has been changed under the same model number, you may find some final performance test steps not valid. These steps will involve parameters that do not appear on the display.
[ Hits: 637 | Votes: 4 | Rating: 1.25 ]
- Arduino MFJ tuner control
- An Arduino uno based project to control an MFJ 998 antenna tuner via Icom CI-V interface by VE1ZAC
[ Hits: 824 | Votes: 0 | Rating: 0 ]
- Arduino Rotator Controller
- Aduino-based Amateur Radio Antenna Rotator Controller that can emulate the Yaesu GS-232A or GS-232B interface by K3NG
[ Hits: 876 | Votes: 2 | Rating: 10 ]
- RF Problems and the HF Vertical Antenna
- Are you having RF problems in the shack since you put up your HF vertical antenna? This is a common problem with an easy solution.
[ Hits: 1585 | Votes: 9 | Rating: 6.33 ]
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