PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/25-19:12:40
G05     48.9           18.4                5.9 +/-    1.02      13.5 +/-    1.02  0.120 / 0.300
G10     237.1          13.9                8.9 +/-    4.92      22.7 +/-    4.92  0.140 / 0.450
G13     73.4           36.0                9.2 +/-    0.59      14.3 +/-    0.59  0.060 / 0.080
G15     130.2          52.7               10.0 +/-    0.88      12.2 +/-    0.88  0.040 / 0.070
G16     312.3          13.3                5.7 +/-    2.12      14.9 +/-    2.12  0.060 / 0.120
G20     249.5          38.1               11.3 +/-    2.57      16.9 +/-    2.57  0.050 / 0.100
G21     315.0          48.1                7.7 +/-    1.33       9.9 +/-    1.33  0.090 / 0.150
G26     285.7          20.2                7.2 +/-    1.43      15.7 +/-    1.43  0.090 / 0.140
G29     156.6          71.1               10.7 +/-    1.43      11.3 +/-    1.43  0.030 / 0.040