[MRCG] RTTY net

Steve zarco at sonic.net
Mon Jul 28 10:02:37 EDT 2014


Thanks for the clarification and sorry for the diversion. Congrats
on a successful test session. If you guys ever get on 40 I'll listen
in.
                                    Steve
----- Original Message ----- 
From: "Mark J. Blair" <nf6x at nf6x.net>
To: "West Coast Military Radio Collectors Group" <mrcg at mailman.qth.net>
Sent: Sunday, July 27, 2014 7:33 PM
Subject: Re: [MRCG] RTTY net


>
> On Jul 27, 2014, at 19:15 , Steve <zarco at sonic.net> wrote:
>> I'm not absolutely certain about this but I think anything greater than
>> 170 Hz shift is now forbidden on the HF ham bands now.
>
> According to:
>
> 
> http://www.arrl.org/files/file/Regulatory/47%20CFR%20Part%2097%20-%20January%202014.pdf
>
> pertaining to allowed data modes on the 80m band:
>
> "(3) Only a RTTY or data emission using a specified digital code listed in 
> §97.309(a) of this part may be transmitted. The symbol rate must not 
> exceed 300 bauds, or for frequency-shift keying, the frequency shift 
> between mark and space must not exceed 1 kHz."
>
> See sections 97.305(c), 97.307(f)(3), 97.309(a)(1).
>
> We'll be running Baudot at 45.5 baud with 0.85 kHz shift, so we're good to 
> go!
>
> -- 
> Mark J. Blair, NF6X <nf6x at nf6x.net>
> http://www.nf6x.net/
>
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