PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/12-18:12:50
G10     262.8          37.2               11.5 +/-    0.94      17.5 +/-    0.94  0.140 / 0.370
G13     43.7           20.3               10.4 +/-    1.13      22.7 +/-    1.13  0.120 / 0.350
G15     63.3           51.0               10.8 +/-    0.52      13.4 +/-    0.52  0.050 / 0.060
G16     282.5          14.0                9.3 +/-    2.93      23.7 +/-    2.93  0.040 / 0.050
G20     292.4          59.4               11.3 +/-    0.74      12.9 +/-    0.74  0.080 / 0.290
G21     352.8          68.5               10.8 +/-    0.56      11.5 +/-    0.56  0.090 / 0.290
G24     125.9          11.5               12.1 +/-    2.37      32.8 +/-    2.37  0.110 / 0.260
G27     320.6          15.2                7.7 +/-    1.93      19.2 +/-    1.93  0.130 / 0.360
G29     166.7          36.9               10.8 +/-    1.84      16.6 +/-    1.84  0.040 / 0.080