C
C   COMMON BLOCK AND DECLARATIONS FOR OLD HEADER (ANNOTATION RECORD)
C
C   Used by function OldHeader (version 2.1)
C
C   1/28/90 djc

      common /radpar/ rangenear,     ! NEAR RANGE DISTANCE IN METERS
     .                rangepix,      ! RANGE PIXEL SPACING IN METERS
     .                azpix,         ! AZIMUTH PIXEL SPACING IN METERS
     .                wav,           ! RADAR WAVELENGTH IN METERS
     .                drift,         ! DRIFT ANGLE IN DEGREES
     .                track,         ! AIRCRAFT TRACK ANGLE IN DEGREES
     .                altitude,      ! AIRCRAFT ALTITUDE IN METERS
     .                gen_fac,       ! GENERAL SCALE FACTOR
     .                procalt,       ! PROCESSING ALTITUDE IN KM
     .                roll           ! ROLL ANGLE IN DEG
      real rangenear
      real rangepix
      real azpix
      real wav
      real drift
      real track
      real altitude
      real gen_fac
      real procalt
      real roll