WebApr 15, 2012 · Here we see simulation current magnitudes of the LNR EF-10/20/40 antenna at 40, 20 and 10 meter operation using a perfect 26 uH inductor as choke. In this case, the antenna is oriented straight up only to highlight the currents. This doesn’t necessarily represent the best deployment in real use. Current Control wirh LNR Choke. WebEFHW antennas are solely dependent on the balun to give you a good match and are limited by the size and type of core material. You seem to be saturating the core of the balun so …
EFHWアンテナの理論と動作原理を徹底解説 ~ 大地讃頌と大嘗 …
WebMay 1, 2024 · PART - 1 : The EFHW antenna as a radiating and receiving element is a decent multi-band antenna with good efficiency on all bands, provided it is driven at its feed-point using a well configured and well-matched driving source. However, it has its idiosyncrasies. The radiation pattern of this antenna on most bands produces multiple … peoplefirst homecare
EFHW アンテナ・キット・マルチバンド jm1oopのブログ
WebMar 22, 2024 · EFHW-4010-1K-Plus™ Multi-Band End Fed Half Wave Antenna. This is an End-Fed Half-Wave (EFHW*) antenna for 40/20/15 and 10m bands. Unlike many END FED antennas on the market, this one … WebMay 20, 2024 · アパマンなので、アンテナ設置のために自由になる空間は掃き出し窓とつながった狭いベランダしかありません。この環境でどのようにローバンドへQRVできる … WebEFHWAとはEnd Fed Half Wave Antenna(片端給電半波長アンテナ)の略です。 "ツェップアンテナ"と呼ばれることもありますが、ツェップアンテナはラダーを用いて給電しま … toffee brownies