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Total 3 documents matching your query.

1. [CQ-Contest] Roofing filter improvements? (score: 1): Author: "John Geiger" <aa5jg@fidmail.com>; Date: Wed, 10 Nov 2010 08:12:04 -0800; I have a mid level, late 90s rig on the way that has had the INRAD roofing filter installed in it. This is supposed to be a 5 to 6khz wide roofing filter, not some of the real narrow ones we are seei; /archives//html/CQ-Contest/2010-11/msg00164.html (7,174 bytes)
2. Re: [CQ-Contest] Roofing filter improvements? (score: 1): Author: Jukka Klemola <jpklemola@gmail.com>; Date: Wed, 10 Nov 2010 22:11:57 +0200; John, The so-called roofing filter potentially enhances your radio's front end behaviour from signals more than about 4 or 5 kHz away from the frequency you listen to. In case you have real signals c; /archives//html/CQ-Contest/2010-11/msg00181.html (9,549 bytes)
3. Re: [CQ-Contest] Roofing filter improvements? (score: 1): Author: Maarten van Rossum <pd2r.maarten@gmail.com>; Date: Wed, 10 Nov 2010 20:30:20 +0100; Sounds like a good rig to me. Those INRAD filters sure can change a mid level rig into something more usable. I had a FT 990 which wasn't a bad transceiver to start with. But after swapping the origi; /archives//html/CQ-Contest/2010-11/msg00184.html (8,897 bytes)

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