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  • I found out that the field fsh_wpt_t.timestamp was wrong. This actually is two fields containing the northing and easting exactly like in the track points. Thus, I renamed it to fsh_wpt_t.north and fsh_wpt_t.east.
    The fields lat and lon in fsh_track_meta_t and fsh_track_point_t were renamed to north and east as well, to be more clear about its meaning.
    --Rahra (talk) 15:43, 4 May 2013 (UTC)
  • File header split into the unique file header fsh_file_header_t and a fsh_flob_header_t per FLOB (1MB block). The number of FLOBs is found in the fsh_file_header_t.
    fsh_track_meta_t can contain several track references (and not just 1). The number is found in the newly discovered field fsh_track_meta_t.guid_cnt, the GUIDs are listed behind the meta header.
    --Rahra (talk) 19:48, 27 May 2013 (UTC)
  • FSH block 0x22 is a "group", which is a named set of waypoints. It has a header similar to the route header, but missing two fields (the "a" and "b" fields in fsh_route21_header). It is immediately followed by a list of GUIDs (just as with the 0x21 route), and each of the waypoints is identical to the fsh_wpt structure with the notable exception that is does not include the leading GUID, but it is otherwise identical.
    --robillard (talk) 13:42, 06 Jul 2013 (UTC)
  • Found temperature in trackpoints, waypoints, and track meta data. Found a timestamp and an additional comment field in waypoints. Redefined waypoint structures.
    --Rahra (talk) 19:29, 10 September 2013 (UTC)
  • Field fsh_file_header_t.flobs interpreted wrong. Fixed.
    --Rahra (talk) 08:59, 25 September 2013 (UTC)
  • Field fsh_track_meta_t.d observed as 7, ARCHIVE.FSH from C90W MFD
    --roger_mexico (talk) 14:03, 10 December 2014 (UTC)
  • Field fsh_route21_header_t.a observed as both 0 and 3, ARCHIVE.FSH from C90W MFD
    --roger_mexico (talk) 14:03, 10 December 2014 (UTC)
  • Added clarification for various fields observed from a C90W.
    --roger_mexico (talk) 00:41, 18 March 2015 (UTC)
  • Route 21 header contains name AND comment exactly like the waypoint. Thus, the calculation of total length of the header changes. See documentation of strucutre. Rahra (talk) 06:56, 2 April 2016 (UTC)