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Total 5 documents matching your query.

1. [CQ-Contest] Receive antenna switch (score: 1): Author: Tom Osborne <w7why@frontier.com>; Date: Tue, 13 Jan 2015 12:31:46 -0800; HI All I would like to build a switch to switch in a receive antenna as my radio doesn't have a receive antenna port. I'd like to build a beverage for low band contesting. I have some 12 volt relays,; /archives//html/CQ-Contest/2015-01/msg00110.html (6,908 bytes)
2. Re: [CQ-Contest] Receive antenna switch (score: 1): Author: Herbert Schoenbohm <herbs@vitelcom.net>; Date: Wed, 14 Jan 2015 12:56:00 -0400; I use here a retired Dynair 12X1 passive video switcher. One nice feature is that each unused RG-6 cable which runs to reversible two wire Beverages is terminated. With feed line length equal to 1/2; /archives//html/CQ-Contest/2015-01/msg00115.html (8,995 bytes)
3. Re: [CQ-Contest] Receive antenna switch (score: 1): Author: <john@kk9a.com>; Date: Wed, 14 Jan 2015 19:44:05 -0500; The AY Technologies http://www.aytechnologies.com/ RAS-12 has momentary push button switches for each radio and it has eight ports. It also has a built-in preamp. This is a great product and it is ve; /archives//html/CQ-Contest/2015-01/msg00118.html (8,533 bytes)
4. Re: [CQ-Contest] Receive antenna switch (score: 1): Author: Herbert Schoenbohm <herbs@vitelcom.net>; Date: Thu, 15 Jan 2015 01:20:48 -0400; John, For a two wire Beverage with two separate feed-lines (eliminating the need for a relay a the feed point) it is important that the unused feed point is terminated in the feed-point impedance to; /archives//html/CQ-Contest/2015-01/msg00120.html (9,683 bytes)
5. Re: [CQ-Contest] Receive antenna switch (score: 1): Author: Eric NO3M <no3m@no3m.net>; Date: Thu, 15 Jan 2015 04:30:58 -0500; See: http://ncjweb.com/features/mayjun12feat.pdf That is the system I have been using here since the Winter of 2011, designed based on requirements for lowband contesting, et.al. It can handle up to; /archives//html/CQ-Contest/2015-01/msg00121.html (12,026 bytes)

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