column(s)  value and it's description
======================================================================================
1  f fixed (telescope at observatory)
   v movable (telescope usually on one site, but can be moved to another one)
   m mobile (expedition site)
2  v visual
   t tv-camera
   c ccd (drift scan, trail, exposition series ...)
   e photoelectric
   p photo drift scan
   w webcam
3  reserved
4-30  observer name, station name (nearest city)
31-32 country code
33-41 longitude DD MM.M
42-43 blank (space)   
44-50 latitude  DD MM.M
51-56 altitude in meters
57    blank (space)   
58-63 0  0.0

Example lines:
ft StefanikObsy,Prague        CZ  14 24.0  50 04.9   327 0  0.0
fv Christou,ArmaghObsy        IE-  6 38.9  54 21.1    35 0  0.0