[amsat-bb] Re: BeeSat at 4800 GMSK

[Nathaniel S. Parsons]

Ah, thanks for clarifying. Unfortunately, if I understand you correctly, we
would have to talk to our satellite via digital voice, or at 128kbps, which
would be great if we could!

-Nate

On Sat, Apr 10, 2010 at 10:15 PM, Tom Azlin N4ZPT <n4zpt at cox.net> wrote:

> Well, make that the digital voice part of the protocol. The high speed
> digital data part is up to 128kbps which was not what I was thinking of.
>
> 73, tom n4zpt
>
> Tom Azlin N4ZPT wrote:
>
>> Hi Nate,
>>
>> the D-STAR protocol is only GMSK at 4800 bps and they selected a
>> time-bandwidth product of 0.5. 4,800 bps or 4k8 is perhaps not talked about
>> as that IS the standard for D-STAR. So the software there might be
>> adaptable.  that is the reason I thought to suggest it.
>>
>> Good luck and 73, Tom n4zpt
>>
>>
>>
>> Nathaniel S. Parsons wrote:
>>
>>> Hi Tom,
>>>
>>> My mind had indeed played a trick on me, and I remembered MFSK as MSK.
>>>
>>> As far as the DStar group goes, I don't see any mention of 4800 bps or
>>> 4k8
>>> kbps on the public page, so if it's not the group's focus, I don't want
>>> to
>>> have to rely on that solution.
>>>
>>> Thanks,
>>> -Nate KC2SVI
>>>
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