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1. noji.com › hamradio › pdf-ppt80-10 end-fed half-wave antenna with 49:1 unun - Noji

   noji.com › hamradio › pdf-ppt

   This EFHW antenna (patterned after one by Steve Ellington N4LQ, with notes by K1RF), if built carefully, will serve you for many years, and at up to 200 watts. The heart and engineering of its design is in its 49:1 impedance matching transformer, or unun (connects an unbalanced

2. allegro.pl › listingEfhw - Niska cena na Allegro.pl

   allegro.pl › listing

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   Efhw na Allegro.pl - Zróżnicowany zbiór ofert, najlepsze ceny i promocje. Wejdź i znajdź to, czego szukasz!

3. radiohobby.pl › projekty › antena-efhw-end-fed-halfwaveAntena EFHW End-Fed halfwave - Radiohobby.pl

   radiohobby.pl › projekty › antena-efhw-end-fed-halfwave

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   Antena End Fed – wielopasmowa antena, która dla wybranych pasm będzie pracować bez konieczności stosowania skrzynki antenowej. Świetna antena do pracy w terenie, podczas aktywacji gmin PGA, parków jak również szczytów górskich w programie SOTA.

4. wiki.wx0mik.net › doku › antennasEnd-Fed Half-Wave [Amateur Radio Wiki] - WX0MIK

   wiki.wx0mik.net › doku › antennas

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   4 sie 2020 · This is the page on the End-Fed Half-Wave antenna with a 49:1 transformer. This is a multiband antenna without the need for any tuner (which is the best type of antenna).

5. ham.stackexchange.com › questions › 18770antenna - EFHW: better to get far end really high, or middle...

   ham.stackexchange.com › questions › 18770

   8 sie 2021 · I built a 40m end fed halfwave antenna and unun, and the wire is about 66 ft long. I have some tall trees nearby I can hang it in, semi-permanently. Which of the following would be better?

6. www.amateurradio.com › my-end-fed-half-wave-efhwMy End-Fed Half-Wave (EFHW) - AmateurRadio.com

   www.amateurradio.com › my-end-fed-half-wave-efhw

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   5 kwi 2019 · The EFHW16040 is grounded at the transformer (no change in SWR with or without ground), while the EFHW8010 is not (transformer box at 35 feet in the air). I needed to add an additional coil (approx 12.5 uH) about 30 feet from the feed point on the EFHW16040 to get 60 and 40 meters to resonate.

7. hamradiofornontechies.com › lets-build-an-end-fed-half-wave-antennaLet's Build an EFHW Antenna - HAM Radio for Non-Techies

   hamradiofornontechies.com › lets-build-an-end-fed-half-wave-antenna

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   Supplies for building an EFHW Antenna. Some of the items below are links to purchase supplies from reputable dealers. 68 feet - Antenna Wire 22-24AWG - Sotabeams - $19 shipped to your door - LINK. Alternative Wire: Stealth Wire is also a good choice ------> LINK.