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1. [RTTY] Using a 4-conductor laptop audio jack to decode RTTY (score: 1): Author: Dennis <egan.dennis88@gmail.com>; Date: Mon, 30 Oct 2017 15:46:19 -0400; I have a laptop that uses a 4-conductor jack for audio. I have the correct adapter, but I can't get it to decode an audio stream. Even though I have the correct adapter (I know because an electret; /archives//html/RTTY/2017-10/msg00126.html (7,145 bytes)
2. Re: [RTTY] Using a 4-conductor laptop audio jack to decode RTTY (score: 1): Author: "Joe Subich, W4TV" <lists@subich.com>; Date: Mon, 30 Oct 2017 16:00:54 -0400; The preamp in an electret mic typically draws 1 mA (e.g. 4.7K resistor in series with a 5V source) or less. I'd start with something between 4.7K and 10 K depending on what you have in your junk box.; /archives//html/RTTY/2017-10/msg00127.html (8,155 bytes)

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