PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/26-07:42:50
G01     123.1          13.3                4.4 +/-    2.57      11.4 +/-    2.57  0.030 / 0.040
G07     65.5           68.1                5.7 +/-    0.37       6.1 +/-    0.37  0.030 / 0.040
G08     49.5           39.2                3.7 +/-    1.15       5.4 +/-    1.15  0.030 / 0.030
G09     176.7          32.3                7.1 +/-    1.25      11.9 +/-    1.25  0.030 / 0.040
G11     117.2          37.9                7.5 +/-    1.21      11.3 +/-    1.21  0.110 / 0.510
G13     319.8          15.2                1.0 +/-    1.29       2.6 +/-    1.29  0.130 / 0.470
G17     200.2          15.9                4.8 +/-    1.92      11.7 +/-    1.92  0.100 / 0.350
G18     100.3          18.0                5.3 +/-    1.11      12.3 +/-    1.11  0.150 / 0.410
G28     272.4          48.6                6.0 +/-    1.34       7.7 +/-    1.34  0.110 / 0.320
G30     333.2          61.6                5.3 +/-    0.64       5.9 +/-    0.64  0.110 / 0.360