PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/19-05:42:40
G01     74.4           32.1                3.5 +/-    0.96       5.8 +/-    0.96  0.040 / 0.030
G07     133.9          35.5                7.4 +/-    0.80      11.6 +/-    0.80  0.040 / 0.040
G11     59.2           37.5                3.4 +/-    1.02       5.1 +/-    1.02  0.100 / 0.420
G13     279.5          39.1                3.6 +/-    1.23       5.3 +/-    1.23  0.090 / 0.330
G15     304.8          15.2                0.5 +/-    1.46       1.3 +/-    1.46  0.050 / 0.100
G17     223.7          64.8                7.9 +/-    1.45       8.6 +/-    1.45  0.050 / 0.090
G19     219.5          39.8                7.0 +/-    0.75      10.2 +/-    0.75  0.080 / 0.070
G28     352.4          61.5                3.9 +/-    0.92       4.4 +/-    0.92  0.080 / 0.090
G30     129.0          70.7                6.6 +/-    0.62       7.0 +/-    0.62  0.040 / 0.060