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1. [Amps] Warm Coax question (score: 1): Author: bluescreen@comcast.net (Doc Johnson); Date: Sat, 20 Apr 2002 00:50:39 -0400; I am not sure where to ask this question but it kinda fits in this forum. I have a 2 meter repeater system. It consists of multiple RX feeding a voting system then feeding a 375 watt Micor xmitter. T; /archives//html/Amps/2002-04/msg00488.html (7,741 bytes)
2. [Amps] Warm Coax question (score: 1): Author: W0YR@aol.com (W0YR@aol.com); Date: Sat, 20 Apr 2002 07:04:26 EDT; Hi! ANY time an electrical conductor gets warm, it is due to resistance. You have a high resistance joint either in that coaxial jumper or in one or both of the connectors. I'd guess it's a "cold" so; /archives//html/Amps/2002-04/msg00490.html (8,197 bytes)
3. [Amps] Warm Coax question (score: 1): Author: garyschafer@attbi.com (Gary Schafer); Date: Sat, 20 Apr 2002 14:14:34 -0400; Hi Doc, First be sure the antenna is tuned for the ham band. Most commercial antennas will not cover the 2 meter ham band. The antennas are broadly advertised sometimes to "cover 144 to 174 mhz". But; /archives//html/Amps/2002-04/msg00500.html (8,998 bytes)
4. [Amps] Warm Coax question (score: 1): Author: K1LE@ARRL.NET (Jeffrey Madore); Date: Sat, 20 Apr 2002 20:59:19 -0400; Doc, I would bet that there is a mismatch along the jumper. I would vary the length of the jumper and watch the swr. It should remain nearly the same if the exciter and load impedance are matched. Al; /archives//html/Amps/2002-04/msg00505.html (8,736 bytes)
5. [Amps] Warm Coax question (score: 1): Author: stevek@jmr.com (Steve Katz); Date: Mon, 22 Apr 2002 07:43:35 -0700; Actually, in my experience with repeaters, 375W output on 146 MHz will definitely make RG213/U warm, and can make 9913 warm as well. That power level will literally "melt" RG8X (mini-8). Of course, a; /archives//html/Amps/2002-04/msg00514.html (10,523 bytes)
6. [Amps] Warm Coax question (score: 1): Author: bluescreen@comcast.net (Doc Johnson); Date: Mon, 22 Apr 2002 18:58:14 -0400; Thanks for all the replies. I ordered the DB224 cut for the ham bands, so the swr should be flat. I am going to take an antenna analyzer to the site and see what it says. I am going to replace the RG; /archives//html/Amps/2002-04/msg00520.html (8,214 bytes)
7. [Amps] Warm Coax question (score: 1): Author: stevek@jmr.com (Steve Katz); Date: Mon, 22 Apr 2002 16:21:10 -0700; /archives//html/Amps/2002-04/msg00521.html (9,538 bytes)
8. [Amps] Warm Coax question (score: 1): Author: bluescreen@comcast.net (Doc Johnson); Date: Mon, 22 Apr 2002 20:07:40 -0400; Hi Steve, The harness I have is from DB Products. I ordered it a few years ago cause the antenna was a few years old back then and "freshening it up" I thought, was a good thing to do. I must have be; /archives//html/Amps/2002-04/msg00522.html (11,266 bytes)
9. [Amps] Warm Coax question (score: 1): Author: garyschafer@attbi.com (Gary Schafer); Date: Mon, 22 Apr 2002 20:34:36 -0400; Telawave makes some inline couplers that are not too expensive. Much cheaper than from bird. They are 2 direction. You can get them with a meter or supply your own meter. 73 Gary k4FMX; /archives//html/Amps/2002-04/msg00524.html (8,611 bytes)

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