PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/04-02:43:00
G01     319.3          18.2                4.7 +/-    1.25      10.7 +/-    1.25  0.180 / 0.330
G08     262.5          14.1                8.0 +/-    1.97      20.4 +/-    1.97  0.190 / 0.320
G10     78.8           52.3                7.9 +/-    0.83       9.7 +/-    0.83  0.040 / 0.050
G11     304.8          21.8                5.3 +/-    2.53      11.2 +/-    2.53  0.040 / 0.050
G14     289.3          69.9                6.8 +/-    0.94       7.1 +/-    0.94  0.090 / 0.220
G18     305.6          40.2                5.1 +/-    0.72       7.4 +/-    0.72  0.090 / 0.210
G20     104.4          30.1                7.8 +/-    1.18      13.7 +/-    1.18  0.110 / 0.220
G27     225.3          10.0               10.5 +/-    3.94      29.3 +/-    3.94  0.120 / 0.190
G31     174.8          41.7                9.1 +/-    0.70      12.9 +/-    0.70  0.040 / 0.070
G32     2.8            69.0                6.6 +/-    0.90       7.1 +/-    0.90  0.040 / 0.060