Key 1    Key 2    Label

         UTC      Time
         AGX      AG x
         AGY      AG y
AZIMUTH  POS      Azimuth
ALTITUDE POS      Altitude
GHRIL    POS      GHRIL rotator
AZIMUTH  POSERR   Azimuth    pos error
ALTITUDE POSERR   Altitude   pos error
GHRIL    POSERR   GHRIL rota pos error
   232 records in the data file
PLOT>read 1 agx
PLOT>read 2 agy
PLOT>read 3 ghril pos
PLOT>fit2d rh
C1 Arcsec = 0.459816E+02 +/- 0.204638E-01 Rad = 0.222925E-03 +/- 0.992112E-07
C2 Arcsec = 0.233366E+02 +/- 0.204638E-01 Rad = 0.113139E-03 +/- 0.992113E-07
C3 Arcsec = -.437070E+00 +/- 0.204730E-01 Rad = -.211897E-05 +/- 0.992560E-07
C4 Arcsec = 0.518276E+00 +/- 0.204730E-01 Rad = 0.251267E-05 +/- 0.992560E-07
C5 Arcsec = -.548576E+01 +/- 0.204638E-01 Rad = -.265957E-04 +/- 0.992113E-07
C6 Arcsec = 0.222602E+00 +/- 0.204638E-01 Rad = 0.107920E-05 +/- 0.992113E-07
PLOT>