This file contains Informer notes. This file format is not very well- explored, as I do not use Informer on a regular basis.
+0 500 WORDs Note Description
Bits 0..8 Entity Id (counter, or a ship Id)
Bits 9..11 Priority (0..7)
Bits 12..15 Type (?)
0 Non-existent
1 Marker in starcharts
8 Ship marker
+1000 n RECORDs of 240 bytes each, for each non-zero word in the above
array:
+0 BYTE 0
+1 WORD X coordinate, 0 for ship marker
+3 7 WORDs ?
+17 WORD Y coordinate, 0 for ship marker
+19 7 WORDs ?
+33 WORD ?
+35 205 BYTEs Five fixed-size Pascal strings of 41 bytes
each, the marker text
