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1. Topband: Keying from CT logging program (score: 1): Author: "Gary Nichols" <kd9sv@comcast.net>; Date: Fri, 30 Jan 2004 20:48:00 -0500; "CT also provides a PTT (push to talk) control signal on the parallel ports, which is asserted one baud (dot period) before CW sending begins. This provides time for amplifier relays to close before; /archives//html/Topband/2004-01/msg00321.html (7,345 bytes)
2. RE: Topband: Keying from CT logging program (score: 1): Author: "James Wolf" <jbwolf@comcast.net>; Date: Sat, 31 Jan 2004 10:39:02 -0500; Not being familiar with the drive requirements of the amp or the limitations of the transceiver, it seems you could parallel the two paths using a steering diode in series with each control line. Jim; /archives//html/Topband/2004-01/msg00324.html (9,063 bytes)

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