======================================================= t0822.dat Number of records in file: 12027 Record 1: 1975 10 2 -- 11:40:00 obgrav = 80325.5 obmag = 2 cdm = 12737 Record 12027: 1975 10 17 -- 11:40:00 obgrav = 80306.5 obmag = 21449 cdm = 21443 Min/Max observed gravity (milligals): 80111.8 80417.4 Min/Max corrected depth (meters): 1 28389 Min/Max observed magnetics (gammas): 1 28189