PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/10-08:57:30
G01     119.7          16.0                4.3 +/-    2.43      10.4 +/-    2.43  0.030 / 0.040
G07     77.8           66.1                5.7 +/-    0.49       6.2 +/-    0.49  0.030 / 0.020
G08     47.3           36.5                3.7 +/-    1.10       5.8 +/-    1.10  0.120 / 0.250
G09     176.6          28.4                6.3 +/-    2.03      11.5 +/-    2.03  0.220 / 0.200
G11     111.6          40.0                6.9 +/-    0.61      10.0 +/-    0.61  0.080 / 0.120
G13     318.3          18.6                3.8 +/-    1.46       8.7 +/-    1.46  0.090 / 0.110
G17     201.2          19.4                5.2 +/-    2.71      11.5 +/-    2.71  0.030 / 0.030
G18     96.1           19.9                5.6 +/-    1.68      12.4 +/-    1.68  0.030 / 0.040
G28     278.8          51.2                5.9 +/-    1.78       7.3 +/-    1.78  0.070 / 0.070
G30     339.5          65.7                4.7 +/-    1.05       5.1 +/-    1.05  0.040 / 0.070