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[aprssig] New experimental GMSK version of APRS Messenger

Chris Moulding chrism at crosscountrywireless.net
Wed Aug 11 21:15:56 UTC 2010


Yes that would work well with the right crystal. If it was set to 
10.1476 MHz it could be used for all HF APRS modes.

73,

Chris, G4HYG

--
Chris Moulding
Cross Country Wireless
7 Thirlmere Grove, Bolton, Lancs, BL4 0QB, UK
Tel/fax: +44(0)1204 410626
Mobile:  +44(0)7752 391908
Website: http://www.crosscountrywireless.net



On 11/08/10 18:51, Bill V WA7NWP wrote:
> I wonder if the Smallwonder PSK rigs would work for APRS Messenger.
>
>    http://smallwonderlabs.com/psk31_new.htm
>
> We might have to tweak the expected frequency usage a bit but it would
> give a nice simple rig to use.
>
> 73
> Bill - WA7NWP
>
>    
>> I've just released an experimental version 2.71 of APRS Messenger.
>>
>> It now has HF APRS over PSK-31, PSK-64, PSK-125, PSK-250, GMSK-31, GMSK-63,
>> GMSK-125 and GMSK-250 using the MMVARI sound card engine.
>>
>> The GMSK modes are of interest because unlike PSK they can be transmitted at
>> full power on a SSB transceiver.
>>
>> There may be the odd bug left in the program but it's worth a try especially
>> with the new high speed options and GMSK.
>>
>> The webpage is http://www.crosscountrywireless.net/aprs_messenger.htm
>>
>> 73,
>>
>> Chris, G4HYG
>>      
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