PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/07-02:27:50
G01     319.7          17.2               -6.6 +/-   33.73     -15.4 +/-   33.73  0.230 / 0.340
G08     263.7          14.7                7.7 +/-    1.28      19.3 +/-    1.28  0.170 / 0.260
G10     76.9           53.0                7.7 +/-    1.12       9.4 +/-    1.12  0.040 / 0.070
G11     305.9          21.1                6.0 +/-    2.98      12.9 +/-    2.98  0.040 / 0.060
G14     285.5          69.5                7.4 +/-    0.78       7.8 +/-    0.78  0.110 / 0.170
G18     306.7          39.3                6.8 +/-    0.83      10.0 +/-    0.83  0.080 / 0.170
G20     103.4          30.9                9.3 +/-    0.90      16.0 +/-    0.90  0.130 / 0.230
G27     226.1          10.8               11.1 +/-    3.95      30.3 +/-    3.95  0.120 / 0.240
G31     175.1          40.3               10.3 +/-    1.28      14.9 +/-    1.28  0.040 / 0.040
G32     0.3            69.8                7.6 +/-    0.68       8.0 +/-    0.68  0.040 / 0.040