From: Andrew Errington <a.errington@lancaster.ac.uk>
To: Tsutsumi Family <oakie@kamakuranet.ne.jp>
Cc: 'Dave Platt' <dplatt@radagast.org>, linux-hams@vger.kernel.org
Subject: Re: 300bps Packet
Date: Wed, 24 Nov 2010 20:22:08 +0900 [thread overview]
Message-ID: <201011242022.08391.a.errington@lancaster.ac.uk> (raw)
In-Reply-To: <BD133160888F43CA9735B652903C2FF1@LIVINGROOM>
On Wed, 24 Nov 2010 19:31:25 you wrote:
> Dave,
>
> Thank you for providing the tutorial of SM source codes.
>
> As one of ways to solve 300bps SSB operation without any code change, you
> are suggesting to use the frequency setting of f0 and f1 to less than 4 x
> 300bps =1,200 Hz such as 800Hz and 1,000Hz, not conventional 2,100Hz and
> 2,300Hz.
>
> Correct?
>
> Regards,
>
> take
Hi,
There are no 'conventional' tones for HF modems. Here's a site that gives a
good explanation why:
http://wa8lmf.net/aprs/SSB_Frequencies.htm
Here are two websites listing commonly found tone frequencies:
http://vk3.aprs.net.au/aprs_on_hf.htm
http://www.aprs.net.au/hf/hf-modem-tones
HTH,
73,
Andrew
HL5/ZL3AME
next prev parent reply other threads:[~2010-11-24 11:22 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-23 5:26 300bps Packet John Goerzen
2010-11-23 6:17 ` Ray Wells
2010-11-23 7:41 ` Tsutsumi Family
2010-11-23 19:33 ` Dave Platt
2010-11-24 10:31 ` Tsutsumi Family
2010-11-24 11:22 ` Andrew Errington [this message]
2010-11-24 13:09 ` Tsutsumi Family
2010-11-24 18:37 ` Dave Platt
2010-11-25 10:43 ` Tsutsumi Family
[not found] ` <4CEEB394.3020305@trinnet.net>
2010-11-26 2:52 ` 300bps Packet (and EHAS) Tsutsumi Family
2010-11-26 5:23 ` 300bps Packet (and EHAS) - what is pam, psk, and newpsk, David Ranch
2010-11-26 6:57 ` Dave Platt
[not found] ` <4CF0040D.3000303@trinnet.net>
2010-11-26 22:10 ` Tomi Manninen
2010-11-27 17:30 ` David Ranch
2010-11-27 19:50 ` Ray Wells
2010-11-24 6:51 ` 300bps Packet Phil
2010-11-24 12:38 ` John Goerzen
2010-11-25 1:51 ` Phil
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