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Total 9 documents matching your query.

1. [RTTY] 2TONE (score: 1): Author: N6OJ <n6oj@sbcglobal.net>; Date: Sun, 15 Dec 2013 14:12:46 -0800; Hi Guys I think I asked this eons ago without any answers but here goes again. I have 5 different audio cards in the computer, I use 2of them Signal links, usb audio codec and usb audio codec 2 in th; /archives//html/RTTY/2013-12/msg00112.html (6,515 bytes)
2. [RTTY] 2Tone (score: 1): Author: "Ron Kolarik" <rkolarik@neb.rr.com>; Date: Sun, 15 Dec 2013 21:31:43 -0600; I switched 2Tone to be the primary decoder in N1MM, which also makes it the tx primary, and now there's a little chirp at the start of transmission. I noticed a few signals during last weekend having; /archives//html/RTTY/2013-12/msg00113.html (6,545 bytes)
3. Re: [RTTY] 2Tone (score: 1): Author: Kok Chen <chen@mac.com>; Date: Sun, 15 Dec 2013 21:08:23 -0800; Ron, I had to go back to a personal email from David in March to find his description of the start-up sequence used in 2Tone. Historically, RTTY starts up in the Mark tone. Stay there for a short dur; /archives//html/RTTY/2013-12/msg00114.html (7,911 bytes)
4. Re: [RTTY] 2Tone (score: 1): Author: "Ron Kolarik" <rkolarik@neb.rr.com>; Date: Mon, 16 Dec 2013 00:30:45 -0600; Thanks Chen. I'll see if I can stretch this out in the time domain and get a look at what's going on in there. It probably won't hurt anything but it is annoying and it will cost precious millisecond; /archives//html/RTTY/2013-12/msg00115.html (9,114 bytes)
5. Re: [RTTY] 2Tone (score: 1): Author: "Ian White" <gm3sek@ifwtech.co.uk>; Date: Mon, 16 Dec 2013 02:38:05 -0500; Could this chirp be related to the use of NET? 73 from Ian GM3SEK Kolarik _______________________________________________ RTTY mailing list RTTY@contesting.com http://lists.contesting.com/mailman/lis; /archives//html/RTTY/2013-12/msg00116.html (7,549 bytes)
6. [RTTY] 2Tone (score: 1): Author: "Kermit $aka Ken$ via RTTY" <rtty@contesting.com>; Date: Mon, 24 Oct 2016 10:33:36 -0400; Hi Jeff, Which of the 2Tone RTTY keying methods are you referring to? TX AFSK: TX DOOK: TX pFSK: TX TinyFSK: TX FSK: 73, Ken, AB1J In a message dated 2016-10-23 9:59:01 P.M. Coordinated Universal Tim; /archives//html/RTTY/2016-10/msg00299.html (7,012 bytes)
7. Re: [RTTY] 2Tone (score: 1): Author: "David G3YYD" <g3yyd@btinternet.com>; Date: Mon, 24 Oct 2016 11:40:02 -0500; The narrowest occupied bandwidth is to use 2Tone DOOK this takes up less than 350Hz (that is at -80dB). There is also a slight receive decoder advantage when using 2Tone as a decoder as it is a bette; /archives//html/RTTY/2016-10/msg00300.html (9,885 bytes)
8. Re: [RTTY] 2Tone (score: 1): Author: "Jeff AC0C" <keepwalking188@ac0c.com>; Date: Mon, 24 Oct 2016 15:42:43 -0500; I believe that Chen and David say DOOK is the best. 73/jeff/ac0c www.ac0c.com alpha-charlie-zero-charlie Hi Jeff, Which of the 2Tone RTTY keying methods are you referring to? TX AFSK: TX DOOK: TX pFS; /archives//html/RTTY/2016-10/msg00312.html (8,218 bytes)
9. Re: [RTTY] 2Tone (score: 1): Author: Kok Chen <rtty@w7ay.net>; Date: Mon, 24 Oct 2016 14:55:30 -0700; "DOOK" (differential on-off keying) is what David calls the method that 2Tone uses to generate an RTTY signal. fldigi uses a similar scheme, but did not give it any name (it is just "AFSK" to fldigi; /archives//html/RTTY/2016-10/msg00314.html (10,383 bytes)

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