ASCII_input_file_header_separate "Geovu Header"
create_format_from_data_file 0 0 char 0

ASCII_data "PORTLAND ASCII data format"
station_id 1 10 char 0
longitude 13 21 float 4
latitude 25 32 float 5
Free_air_anom 33 42 float 5
Bouguer_anom_267 44 52 float 5
Bouguer_anom_243 54 62 float 5
sea_level_elev_ft 66 74 float 5
terr_corr 77 83 float 3
obs_grav 85 92 float 1

binary_data "PORTLAND binary data format"
longitude 1 4 long 4
latitude 5 8 long 5
Free_air_anom 9 12 long 5
Bouguer_anom_267 13 16 long 5
Bouguer_anom_243 17 20 long 5
sea_level_elev_m 21 24 long 4
obs_grav 25 28 long 1
terr_corr 29 30 short 3
station_id 31 40 char 0