WebThe Sloper Antenna Explained. The classic sloper antenna is a top-fed 1/4 wave vertical antenna sloping down and away from a tower. The sloper's feed point is anchored high above ground near the top of the tower on … WebJul 20, 2024 · In the case of the EFHW 49:1 transformer, the major shortcomings of the most popular current designs are excessive leakage inductance and poor heat transfer from the ferrite material to the environment. Tackling both of these issues at once led to a much smaller, lighter, and less costly transformer with better loss characteristics than ...
End fed half wave sloper: which end up? : r/amateurradio - Reddit
WebThe EFHW 80-10 consistently beat these other antennas in all directions and all distances. I also found it to be a relatively quiet antenna, I had it hooked up to a Flex-3000 SDR where it is very easy to compare SNR … WebEnd-Fed Horizontal Wires(EFHW) cover multiple bands with-out traps, stubs, or resonators. End-fed radiators have the unique quality of resonating on the 1/2-wave fundamental frequency plus odd/even harmonics above! Broad-band matching transformer at feed point lets the entire HF spectrum be yours! SWR is so low you may never need a tuner. ebay foghat cds
Multiband End-fed Half-wave EFHW Antenna
WebMay 6, 2024 · First you don't necessarily have to do anything. The SWR is below 3 for the bands and most transceivers can handle that OK. If you want to try to get the resonate points inside the bands you will need to … WebOptimally deploy the antenna as a sloper with the high (feed point) end at 30+ feet and the low end at 10+ feet. ... If you find that common mode exists after you install the EFHW antenna, attach a Grounded Counterpoise to the barrel connector at the antenna feed point, then secure with a stainless-steel hose clamp. Web80M 40M 30M 20M 17M 15M 12M and 10M - No Tuner Needed The CHA LEFS 8010 is an eight band, no- tuner, High Frequency (HF) antenna for use on the 80, 40, 30, 20, 17, … comparatif chromebook