identifying tetra

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Sim IJskes sim at ijskes.org
Tue Mar 1 09:12:30 UTC 2011


On 01-03-11 10:00, Sylvain Munaut wrote:
>> I've identified 4 carriers in the 400Mhz band, with a clear 4 state
>> constellation. Is there an easy way to verify it is indeed tetra? I'm using
>> grc.
>
> Try to decode them using osmo-tetra ... (see previous annouce and the
> README to know how to).

Thanks. I'm struggling a bit how to get a GSMTAP dissector in wireshark. 
I need to recompile wireshark in order to get there, do i?

BTW it looks that idling causes the 4 state diagram, when there is data, 
it turns into a 8 sided diamond.

Gr. Sim





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