======================================================= ddata/aqmag/t1136.dat Number of records in file: 3698 Record 1: 1976 9 24 -- 16:56:18 ships' heading = 122.79 (degrees) ship's speed = 4.91 (knots) observed magnetics = 53361.7 (gammas) 2nd observed magnetics = 56179.0 (gammas) gradient = 18534.54000 separation distance = 0.00 (meters) Record 3698: 1976 10 8 -- 1:00:06 ships' heading = 78.73 (degrees) ship's speed = 3.19 (knots) observed magnetics = 52851.2 (gammas) 2nd observed magnetics = 208333.1 (gammas) gradient = 1022907.00000 separation distance = 0.00 (meters) Min/Max observed magnetics (gammas): 49601.0 53443.7 Min/Max 2nd observed magnetics (gammas): 0.0 208333.1 Min/Max gradient (zero values ignored): -164.47370 1022907.00000