Dataset {
    Float64 esecs[esecs = 10372];
    Float32 NominalDepth[NominalDepth = 1];
    Float64 Longitude[Longitude = 1];
    Float64 Latitude[Latitude = 1];
    Grid {
      Array:
        Int16 Timestamp[esecs = 10372][NominalDepth = 1][Latitude = 1][Longitude = 1];
      Maps:
        Float64 esecs[esecs = 10372];
        Float32 NominalDepth[NominalDepth = 1];
        Float64 Latitude[Latitude = 1];
        Float64 Longitude[Longitude = 1];
    } Timestamp;
    Grid {
      Array:
        Int16 Offset[esecs = 10372][NominalDepth = 1][Latitude = 1][Longitude = 1];
      Maps:
        Float64 esecs[esecs = 10372];
        Float32 NominalDepth[NominalDepth = 1];
        Float64 Latitude[Latitude = 1];
        Float64 Longitude[Longitude = 1];
    } Offset;
} m1_gpsclock_20120222.nc;