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Total 6 documents matching your query.

1. [RFI] Tower Intermod - Control Lines (score: 1): Author: "Ed Richardson" <Ed_richardson@shaw.ca>; Date: Wed, 21 Jul 2010 06:38:30 -0500; Installed a 50' Supertitan self support tower a couple years ago. It is outfitted with Optibeam Yagis for HF and 6m along with a Foce12 2 element 40m yagi. I also use quarter wave slopers for 80m and; /archives//html/RFI/2010-07/msg00014.html (7,865 bytes)
2. Re: [RFI] Tower Intermod - Control Lines (score: 1): Author: "Jim Brown" <jim@audiosystemsgroup.com>; Date: Wed, 21 Jul 2010 20:29:28 -0700; Hi Ed, First, when you say AM intermod, I assume you mean you're hearing multiple AM radio stations every 10 kHz up the band. I have a rather different take on this. The tower, and the control lines,; /archives//html/RFI/2010-07/msg00016.html (8,435 bytes)
3. Re: [RFI] Tower Intermod - Control Lines (score: 1): Author: "Ed Richardson" <Ed_richardson@shaw.ca>; Date: Thu, 22 Jul 2010 07:36:55 -0500; Thanks Jim Yes the intermod is the classic 3rd order type 2F1+/-F2. About half a dozen strong local stations mixing with each other and other strong stations. Two winters ago I was convinced it was a; /archives//html/RFI/2010-07/msg00017.html (9,174 bytes)
4. Re: [RFI] Tower Intermod - Control Lines (score: 1): Author: "Jim Brown" <jim@audiosystemsgroup.com>; Date: Thu, 22 Jul 2010 10:04:40 -0700; Understood. Do you have an HF rig (or can you borrow one) that you can put in your car or hand carry around the neighborhood looking for peaks in signal strength? My Kenwood TH-F7A is not sensitive e; /archives//html/RFI/2010-07/msg00018.html (7,843 bytes)
5. Re: [RFI] Tower Intermod - Control Lines (score: 1): Author: K8TB <k8tb@bosscher.org>; Date: Thu, 22 Jul 2010 17:37:09 -0400; Ed, How far away are you from the AM broadcast stations? If this was the US, there is a Google Earth app that shows this. Keep in mind that a possibility is that something on your system is picking u; /archives//html/RFI/2010-07/msg00019.html (7,700 bytes)
6. Re: [RFI] Tower Intermod - Control Lines (score: 1): Author: "K1TTT" <K1TTT@ARRL.NET>; Date: Thu, 22 Jul 2010 23:26:14 +0000; And DON'T rule out something in the shack! I ran up and down 3 towers here chasing one, putting ferrites and bypass caps on rotor lines and grounding shells of hardline connectors... The noise was al; /archives//html/RFI/2010-07/msg00020.html (9,462 bytes)

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