1/4 巴浪是接同軸電纜的芯線那一端,另一頭接到Boom上作者: finns 時間: 2013-7-30 20:00
啥 .... 怎麼跟我看到的相反...再找找 作者: ezkevoezk 時間: 2013-7-30 20:04
村長快快快用力打過來作者: finns 時間: 2013-7-30 20:08
我錯了
"Why antenna balun? because this balun is an integral part of the antenna. So what is it? It behaves in the same way as a Pawsey stub. However, there is no velocity factor to take into account or calculate. You simple cut a 1/4 wave length piece of rod, tube or wire. Connect one end at the feed point (inner core) and the other further along the boom making sure it stands clear of the other elements. That's it! It really is that simple."作者: spp_1967 時間: 2013-7-30 20:14
村長!讚!讚!讚!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!作者: finns 時間: 2013-7-30 20:29
各位台中的友台請稍等, 明天才會再調試了...
今天有其他任務 !!作者: BM4JRH 時間: 2013-7-30 23:06
村長的好作品又多一件囉!.....作者: finns 時間: 2013-7-30 23:10
也不知道能打多遠, 如果只有個20 30... 那就做做 "J" 天線就好了.....唉...作者: BX2ACQ 時間: 2013-7-31 05:44
村長是同心接把手.且給電/把手多要做活动升縮.才能調整中心頻率.[img]http://www.radio.club.tw/home.php?mod=space&uid=12899&do=album&picid=6050[img]http://www.radio.club.tw/home.php?mod=space&uid=12899&do=album&picid=6049&goto=down#pic_block[/img][/img]作者: BX2ACQ 時間: 2013-7-31 05:46