status update

README.md

@@ -5,6 +5,11 @@ which does not use regular SiRF binary protocol, but some new variant, which is
 The aim of this project is to create helpful scripts and instructions to help reverse engineer the new protocol, 
 and make a converter to regular SiRF binary protocol (or NMEA).
 
+As of 2015-01-05, much of the data has been reverse engineered, and it seems
+that the hardware is really dumb; so all processing (downloading ephemeris,
+calculation pseudoranges, solving GPS location etc.) would have to be done
+completely in software.
+
 Latest version can be found at <A HREF="https://github.com/mnalis/gsd4t_parser.git">GitHub</A>
 
 You may also be interested in <A HREF="https://github.com/mnalis/gsd4t_logs.git">sample logs</A> if you lack your own...