PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/03-23:58:00
G01     62.2           31.1                9.0 +/-    0.83      15.3 +/-    0.83  0.080 / 0.130
G07     140.7          20.2                9.5 +/-    0.73      20.8 +/-    0.73  0.080 / 0.130
G11     48.4           24.3                7.7 +/-    0.94      15.3 +/-    0.94  0.040 / 0.060
G13     264.5          36.6                9.4 +/-    1.35      14.5 +/-    1.35  0.040 / 0.050
G15     295.6          16.3                6.6 +/-    2.79      15.8 +/-    2.79  0.050 / 0.050
G17     254.2          77.1                3.7 +/-    0.61       3.7 +/-    0.61  0.040 / 0.050
G18     41.5           11.8                7.1 +/-    2.75      19.1 +/-    2.75  0.080 / 0.090
G19     229.7          48.2               10.5 +/-    2.06      13.6 +/-    2.06  0.070 / 0.080
G28     25.8           58.9                8.1 +/-    0.46       9.2 +/-    0.46  0.070 / 0.130
G30     142.2          54.5               10.2 +/-    0.91      12.2 +/-    0.91  0.090 / 0.180