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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[TowerTalk\]\s+AL\-1500\s+Amp\s+Mod\s*$/: 3 ]

Total 3 documents matching your query.

1. [TowerTalk] AL-1500 Amp Mod (score: 1): Author: n1ln@earthlink.net (N1LN); Date: Sat, 18 Aug 2001 07:27:40 -0500; While at the Arlington, TX HamComm in June, I noticed that Ameritron had made a modification to the T/R relay in the AL-1500. Specifically, they replaced the 3PDT mechanical unit with a pc board - el; /archives//html/Towertalk/2001-08/msg00409.html (7,935 bytes)
2. [TowerTalk] AL-1500 Amp Mod (score: 1): Author: 2@vc.net (2); Date: Sat, 18 Aug 2001 09:50:30 -0700; // As I understand it, RF-actuated T/R bias switching is now in many MFJ/Ameritron amplifiers. This allows the 8877's bias to rapidly switch between (linear) Tx and (non-linear) Rx modes during soft; /archives//html/Towertalk/2001-08/msg00413.html (8,750 bytes)
3. [TowerTalk] AL-1500 Amp Mod (score: 1): Author: K7LXC@aol.com (K7LXC@aol.com); Date: Sun, 19 Aug 2001 00:42:46 EDT; Dudes! This is not the amps reflector. We are, however, pleased to participate in tower and HF antenna construction conversations. Cheers, Steve K7LXC TT ADMIN List Sponsored by AN Wireless: AN Wirel; /archives//html/Towertalk/2001-08/msg00415.html (7,304 bytes)

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