Questions and discussion about the geolocalization features of the TD RF modules.
giovanni
 
Posts: 10
Joined: Mon Jun 22, 2015 1:04 pm

Meaning first byte TD_GEOLOCATION frame

by giovanni Mon Jul 25, 2016 12:15 pm

Hello,

What does the first byte of a TD_GEOLOCATION frame actually represent?
I know that the 3rd nibble (0x0) is reserved for future use, and the 0x1010 (nibble4-7) indicates that the GPS frame is encoded according to GPS_DATA_XYZ_SV_HDOP.
I am able to decode the rest of the frame without any problems, only the meaning of the first byte remains unclear to me.

Kind regards.
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