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Re: Is AMBE chip needed for D-RATS?


 

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Hello John,

?

I definitely will try the software route. I am looking for Linux based
operation.

I found: and
. I do not see any support for GMSK
there.


That's a copy of Tom Sailer's Soundmodem.? It was impressive for it's day and it's diagnostic views are still unsurpassed in some respects but it hasn't been supported for years and there are several alternatives out there now that are VASTLY superior for actual decoding. Here is a quick breakdown of what's out there:

??

But like you said, none of these do GMSK


The looks more
promising. Even though it targets a Raspberry pi, I should be able to
also use an x86 linux system instead.


Yes, that looks pretty good for a software based GMSK modem!


The thing there is that I do not want to use the c2 stuff.

I have subscribed to the gmsk_dv_node list and asked about the USB
drivers. No response so far.


USB drivers?? I don't think you've stated your question properly.? You're looking for a full Dstar protocol stack to run over this GMSK modem and that looks to be here:

??



I am also looking at the freestar * solutions. There site only seems to
have ISO downloads.


ISOs are probably meant to just boot from.? Try citing some of these URLs and we can look at them


--David

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