[amsat-bb] Re: CO-65 digipeater success, sort of

[Luc Leblanc]

On 29 Nov 2010 at 7:52, Alan P. Biddle wrote:

Date sent:      	Mon, 29 Nov 2010 07:52:41 -0600
From:           	"Alan P. Biddle" <APBIDDLE at UNITED.NET>
Subject:        	[amsat-bb] Re: CO-65 digipeater success, sort of
To:             	amsat-bb at amsat.org
Send reply to:  	APBIDDLE at MAILAPS.ORG
Organization:   	AMSAT-NA

> In looking around for information on 9600 baud GMSK, I find many reviews
> dating back to the 1990s, and explanations on satellite project web pages,
> that it is compatible with K9NG/G3RUH 9600 baud modulation.  IF that is
> correct, it should work with a strong signal.  I recall (?) there is a
> penalty amounting to a db or so.  Perhaps one of the digital experts can
> clarify this?
> 
> Alan
> WA4SCA

The only one modem i found who seems to be compatible with GMSK modulation is the "Discontinued" DSP-2232 Multi-Mode Digital Signal 
Processors who does have a Packet 9600 bps FSK K9NG/G3RUH modem

http://www.timewave.com/products/dsp2232.html
"-"


Luc Leblanc VE2DWE
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