[aprssig] Looking for 9600 baud equipment

kb2scs at optonline.net kb2scs at optonline.net
Tue Sep 30 06:27:01 CDT 2008

Hi Scott 
             I believe that the SCS modems do something similar.
I do know that they adapt to channel conditions and therefore go as 
fast as the channel will allow.

On 29 Sep 2008 at 20:00, Scott Miller wrote:
> In reading through G3RUH's original documentation on his modem, I got to 
> wondering if it'd be feasible to add an automatic equalization feature 
> for high speed links.  The G3RUH modem could be loaded with filter 
> coefficients to match the exact transmitter and receiver being used, to 
> compensate for the channel as a whole.  It'd be impractical for APRS, 
> but for connected mode, you could exchange a quick series of tones like 
> landline modems do and automatically adapt.  It wouldn't directly 
> increase the speed, but it'd improve your S/N ratio.  Has anyone done 
> that in the ham world?
> Scott
> N1VG
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Let us hope we never witness the "Silence Of The Hams"
73 DE John  KB2SCS
       Packet:           kb2scs at wa2pnu.#nli.ny.usa.noam
       E-Mail:            kb2scs at arrl.net
       APRS-SCS     http://www.tapr.org/~kb2scs
       Web Page:     http://www.qsl.net/kb2scs

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