PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/14-02:12:30
G10     287.9          48.4               11.5 +/-    3.03      14.8 +/-    3.03  0.070 / 0.100
G15     48.2           36.2                7.6 +/-    1.13      11.7 +/-    1.13  0.090 / 0.090
G20     308.7          58.8               16.8 +/-    0.43      19.3 +/-    0.43  0.040 / 0.030
G21     66.2           77.4               11.8 +/-    0.59      12.1 +/-    0.59  0.040 / 0.040
G24     103.4          23.6               10.5 +/-    1.54      21.2 +/-    1.54  0.080 / 0.130
G27     307.1          30.8               11.2 +/-    0.76      19.3 +/-    0.76  0.090 / 0.150
G29     168.9          14.6               11.5 +/-    2.99      28.8 +/-    2.99  0.060 / 0.070
G32     207.7          27.2               15.2 +/-    1.45      28.4 +/-    1.45  0.080 / 0.060