PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/29-00:58:00
G01     319.6          17.4               -3.3 +/-   33.41      -7.8 +/-   33.41  0.130 / 0.290
G08     263.5          14.7                8.5 +/-    1.68      21.2 +/-    1.68  0.250 / 0.160
G10     77.0           52.9                7.6 +/-    0.77       9.3 +/-    0.77  0.040 / 0.060
G11     306.2          20.8                1.2 +/-    2.50       2.5 +/-    2.50  0.040 / 0.050
G14     284.0          69.0                6.7 +/-    0.65       7.1 +/-    0.65  0.060 / 0.090
G18     306.8          39.2                6.8 +/-    1.74      10.0 +/-    1.74  0.070 / 0.100
G20     103.7          30.3                7.8 +/-    1.37      13.6 +/-    1.37  0.130 / 0.320
G27     226.0          10.8               10.9 +/-    3.73      29.8 +/-    3.73  0.120 / 0.350
G31     175.0          40.3                8.0 +/-    0.87      11.5 +/-    0.87  0.030 / 0.020
G32     2.1            69.4                5.7 +/-    0.85       6.1 +/-    0.85  0.030 / 0.020