[drats_users] ERROR Correction in slow speed data

Dave Welker
Fri Sep 20 12:18:46 PDT 2013


Hello all,
Can anyone confirm if the D-RATS slow speed data has FEC (Forward Error Correction) built in now or not?
I understand that D-STAR voice does have error correction built in.  I've checked on the D-RATS home page/documentation
which is a August 2009 reference.

This is what I found in this document Under users manual/files:  Is this still current information?

Unlike the D-STAR DV Voice Channel, which has error correction built into the protocol, the Data Sub-channel has no error correction. 



This makes the transfer of data across D-STAR a lot more dependant on a good radio path being established between the two locations wishing to 



exchange data.  D-RATS includes the ability to test connectivity between two locations.


Thanks in advance
regards
Dave
W2SRP


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