counterpoise tuner
4 links
- TEFV Terminated End Fed Vee Antenna
- The Terminated End Fed Vee Antenna (TEFV) is a travelling wave antenna with constant current distribution. Unlike traditional resonant antennas, TEFV operates without standing waves, using a terminating resistor for broadband efficiency. With a combination of vertical and horizontal polarization, it offers wide bandwidth from 1.8 MHz to 30 MHz, eliminating the need for a tuner. Key components include a 9:1 unun transformer and a 500-ohm terminating resistor. Grounding and counterpoise enhance performance, and it can handle power losses of up to 30%. TEFV provides an effective, versatile antenna solution for amateur radio and broadcast applications.
[ Hits: 186 | Votes: 2 | Rating: 6.5 ]
- HF EFHW Antenna Antenna Tuner
- Schemaric diagram for a 80m, 40m, 30m, 20m EFHW Antenna Antenna Tuner. The tuner has been designed for an antenna length of 41m and the counterpoise 7.5m.
[ Hits: 120 | Votes: 0 | Rating: 0 ]
- Balcony Vertical HF Antenna
- The simple balcony vertical HF antenna made with plastic fishing pole. Just along the pole I install copper wire in 7 meter length. Then was installed ATU. It was used home brew tuner. For each band was used one counterpoise in length 0.8 x lambda/4
[ Hits: 238 | Votes: 0 | Rating: 0 ]
- Long Wire Antenna for portable operations
- With the view to establish a quick and easy multi-band antenna deployment for portable and camping operations a simple long wire antenna with an earth or earth plus counterpoise arrangement with a 9:1 voltage unun including a tuner or simply with a tuner is one possible solution. With the 9:1 voltage unun and wire lengths suggested in the below tables the antenna should present non extreme impedances for all HF amateur band frequencies. This page is far from complete and represents the ongoing investigation into this type of antenna. Experiments to date seem to have raised more questions than obvious answers.
[ Hits: 804 | Votes: 13 | Rating: 8.69 ]
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counterpoise counterpoise length ah-4 tuner at tuner ldg tuner mfj tuner qrp tuner rtl sdr tuner t-tuner tuner tuner php tuner qrp uhf tuner vhf tuner 6 meter tuner
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