Example data file

SNAP demonstration data set

# date 12 May 1992

! Example of distance and horizontal angle data

# data sd ha

# ds_error 10 mm 2 ppm
# ha_error 2 sec

# classify SD EQUIPMENT DI20
# classify HA EQUIPMENT T2

! Note that the default errors have been overridden for
! two observations.  Also note that one distance is missing.

!From To  H.I.    Distance    error      Direction   error

 1        1.55
      2   1.30    21110.75                0 00 00.0
      3   1.15        -                  15 23 16.8  error 5
      4   1.20    17967.48  error 0.03   48 58 07.2

! The distance to station 1 is rejected in the following set

 4        1.20
      3   1.62    21314.218               0 00 00.0
      5   1.34    14296.911              70 18 54.6
      1   1.03 *  17969.434             241 23 01.2


! Example of gps baseline data

# data gps no_heights

# reference_frame GPS
# gps_enu_error 15 30 50 mm

! From  To        X           Y          Z

  1     2     -399.32    20958.80    2497.10
  1     3    -6943.55    31476.72   10172.31
  1     4    -8808.29    10306.10   11790.89

! Example of multistation GPS data

#data gb error grouped no_heights
#gps_error_type full

1
  5       16688.7857  -109992.9680   -34179.4465
  6        5782.9042  -128377.1792   -25222.3289
#end_set
  2.52189989E-05
 -3.51365053E-06  1.45083257E-06
  1.99479380E-05 -2.27106609E-06  1.93004819E-05
  6.20761587E-06 -8.96910370E-07  5.36535610E-06  2.28536949E-05
 -9.00332437E-07  3.24931104E-07 -7.97373532E-07 -2.45152986E-06
  9.70341277E-07
  5.34392361E-06 -7.91887378E-07  5.21602684E-06  1.94275136E-05
 -2.10103471E-06  1.87209786E-05

! Example of point format (lat and long) data

#date unknown
# data lt error ln error no_heights

!      Latitude     Error     Longitude     Error

1     41 19 06.32 S   0.1        -
3     41 11 38.20 S   0.1   175 23 55.35 E   0.1