PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/15-04:57:30
G01     106.6          24.1                6.6 +/-    1.18      13.3 +/-    1.18  0.030 / 0.020
G07     103.6          59.5                7.2 +/-    1.01       8.2 +/-    1.01  0.030 / 0.020
G08     42.0           21.7                3.3 +/-    2.82       6.9 +/-    2.82  0.110 / 0.190
G09     173.0          13.0                5.5 +/-    1.18      14.2 +/-    1.18  0.190 / 0.290
G11     95.5           44.9                7.7 +/-    0.92      10.4 +/-    0.92  0.070 / 0.070
G13     310.4          28.8                4.0 +/-    0.91       7.1 +/-    0.91  0.040 / 0.050
G17     203.9          35.7                8.8 +/-    0.87      13.7 +/-    0.87  0.060 / 0.080
G19     207.3          13.4                3.7 +/-    3.55       9.5 +/-    3.55  0.070 / 0.100
G28     299.0          56.4                4.7 +/-    1.35       5.5 +/-    1.35  0.180 / 0.460
G30     359.8          75.5                5.4 +/-    0.60       5.6 +/-    0.60  0.350 / 0.250