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1. [RTTY] Article by Brian Beezley, K6STI (score: 1): Author: w7ti@dslextreme.com (Bill Turner); Date: Sat, 01 Sep 2001 09:24:53 -0700; Regarding the 23 Hz RTTY debate, here is an interesting article by Brian, K6STI about RTTY shifts. Brian is the author of the program RiTTY by K6STI, recognized by many as the best of all the soundca; /archives//html/RTTY/2001-09/msg00027.html (18,583 bytes)
2. [RTTY] Article by Brian Beezley, K6STI (score: 1): Author: aa6ty@att.net (Kok Chen); Date: Sat, 01 Sep 2001 09:53:04 -0700; Does someone know what the baud rate of RTTY 23 is? I think most people are saying that the shift is 23 Hz. I would not classify what we use on 45 baud Baudot RTTY to be narrow shift. It has a ratio; /archives//html/RTTY/2001-09/msg00029.html (7,260 bytes)
3. [RTTY] Article by Brian Beezley, K6STI (score: 1): Author: etienne.rosseel@pandora.be (ON7UI/Etienne); Date: Sat, 1 Sep 2001 20:59:15 +0200; This could be the clue. As far as I know it is 45.45 bauds. this makes the deviation 11.5 Hz and the modulating frequency 22.8 Hz (45.45/2). By Fourier this square wave , considering it to be a squa; /archives//html/RTTY/2001-09/msg00030.html (8,178 bytes)
4. [RTTY] Article by Brian Beezley, K6STI (score: 1): Author: aa6ty@att.net (Kok Chen); Date: Sat, 01 Sep 2001 12:44:32 -0700; I just posted the computed spectrum (again, averaged over the equivalent of 45 minutes of real time) of 22.725 Hz shift RTTY (I suspect they may be using a shift that is synchronous to the baud rate; /archives//html/RTTY/2001-09/msg00032.html (7,748 bytes)
5. [RTTY] Article by Brian Beezley, K6STI (score: 1): Author: aa6ty@att.net (Kok Chen); Date: Sat, 01 Sep 2001 12:48:49 -0700; Sorry, I forgot to mention that the tick marks of the horizontal scale are 10 Hz apart. The "11 Hz" label is just the approximate positions of the Mark and Space frequencies. Sorry if this caused con; /archives//html/RTTY/2001-09/msg00033.html (6,953 bytes)

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