PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/25-07:57:50
G01     119.1          16.4                5.0 +/-    1.65      12.0 +/-    1.65  0.050 / 0.030
G07     78.5           66.2                7.0 +/-    0.47       7.5 +/-    0.47  0.030 / 0.040
G08     46.6           35.2                3.4 +/-    1.05       5.3 +/-    1.05  0.030 / 0.040
G09     176.2          27.3                7.8 +/-    3.17      14.4 +/-    3.17  0.030 / 0.040
G11     111.3          40.4                7.7 +/-    0.87      11.2 +/-    0.87  0.120 / 0.340
G13     318.0          19.2                3.2 +/-    1.50       7.3 +/-    1.50  0.120 / 0.330
G17     201.1          20.7                5.3 +/-    1.42      11.6 +/-    1.42  0.070 / 0.180
G18     95.5           20.1                6.2 +/-    1.05      13.6 +/-    1.05  0.070 / 0.190
G28     279.5          51.3                7.7 +/-    1.96       9.6 +/-    1.96  0.110 / 0.250
G30     339.3          65.8                4.1 +/-    0.64       4.4 +/-    0.64  0.110 / 0.190