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1. [CQ-Contest] RF on parallel port (score: 1): Author: "VE5ZX" <ve5zx@hotmail.com>; Date: Tue, 16 Nov 2004 09:29:09 -0600; I am using EA4TX (www.ea4tx.com) rotator controller. It appears that RF is getting into the parallel port that used to interface the PC to the controller. What is the best way to RF proof a parallel; /archives//html/CQ-Contest/2004-11/msg00428.html (9,749 bytes)
2. Re: [CQ-Contest] RF on parallel port (score: 1): Author: Sinisa Hristov <shristov@ptt.yu>; Date: Tue, 16 Nov 2004 17:25:20 -0500; The first thing would be to ensure that no common mode current flows back from antenna. Use a good "current" balun. This is necessary, although it may not be sufficient. 73, Sinisa YT1NT, VE3EA _____; /archives//html/CQ-Contest/2004-11/msg00439.html (10,004 bytes)

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