PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/16-03:58:00
G01     319.7          17.0                6.2 +/-    2.86      14.6 +/-    2.86  0.100 / 0.080
G08     262.7          14.7                7.5 +/-    1.00      18.7 +/-    1.00  0.110 / 0.130
G10     76.8           53.1                5.5 +/-    0.72       6.7 +/-    0.72  0.040 / 0.030
G11     305.6          21.4                0.6 +/-   12.67       1.3 +/-   12.67  0.040 / 0.040
G14     286.8          69.9                5.1 +/-    0.84       5.4 +/-    0.84  0.150 / 0.290
G18     306.6          39.4                3.7 +/-    2.09       5.4 +/-    2.09  0.120 / 0.280
G20     103.2          31.2                4.5 +/-    0.58       7.7 +/-    0.58  0.060 / 0.050
G27     226.3          10.9                8.4 +/-    1.62      23.0 +/-    1.62  0.070 / 0.050
G31     175.2          40.2                6.3 +/-    0.80       9.1 +/-    0.80  0.030 / 0.020
G32     358.2          70.1                4.6 +/-    0.61       4.9 +/-    0.61  0.030 / 0.020