PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/12-07:13:10
G01     108.4          23.3                6.3 +/-    1.32      12.8 +/-    1.32  0.030 / 0.030
G07     102.0          59.7                6.6 +/-    0.54       7.5 +/-    0.54  0.040 / 0.030
G08     42.5           24.4                2.4 +/-    1.47       4.9 +/-    1.47  0.030 / 0.040
G09     174.2          15.6                7.1 +/-    1.23      17.5 +/-    1.23  0.040 / 0.030
G11     96.2           44.3                7.5 +/-    0.60      10.3 +/-    0.60  0.080 / 0.100
G13     311.5          27.8                5.2 +/-    1.45       9.6 +/-    1.45  0.070 / 0.090
G17     203.9          33.1                7.0 +/-    1.37      11.5 +/-    1.37  0.060 / 0.190
G19     207.0          11.9                1.5 +/-   13.96       4.0 +/-   13.96  0.070 / 0.150
G28     297.5          56.3                4.5 +/-    0.79       5.3 +/-    0.79  0.040 / 0.060
G30     359.6          75.0                5.9 +/-    0.62       6.1 +/-    0.62  0.030 / 0.060