! Create this station type when obs are loaded (if station does not yet exist)
$STATION_TYPE_FOR_OBS
  1D_VERT


! Any datum will do for 1D vertical Networks. It's not used in computations
$DATUM
  WGS 84
  6378137.000000
  298.257223563


! Units of measure (e.g., linear units in Meters)
$UNITS
  M
  D
  1


! Stations with known heights
! Station Name; Height; Height SD
$HEIGHT_COMPACT; A; 100.00000; 0.00000
$HEIGHT_COMPACT; F; 101.69400; 0.00000


! Observations
! AT Station Name; TO Station Name; Hgt Diff; Hgt Diff Dist (kilometers)
$HGTDIFF_COMPACT; A; B; 2.10000; 0.0020000
$HGTDIFF_COMPACT; B; C; 1.70000; 0.0020000
$HGTDIFF_COMPACT; C; D; 0.50000; 0.0020000
$HGTDIFF_COMPACT; D; E; -1.20000; 0.0020000
$HGTDIFF_COMPACT; E; F; -1.40000; 0.0020000