PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/12-23:27:50
G01     58.8           30.0                8.4 +/-    1.15      14.8 +/-    1.15  0.040 / 0.050
G06     182.6          12.0              -20.0 +/-   20.35     -53.5 +/-   20.35  0.040 / 0.060
G07     142.0          17.0               10.0 +/-    3.28      23.8 +/-    3.28  0.080 / 0.110
G11     47.0           21.9                5.8 +/-    1.78      12.1 +/-    1.78  0.080 / 0.110
G13     260.6          35.5                9.6 +/-    1.60      15.1 +/-    1.60  0.050 / 0.040
G15     292.4          16.5                7.9 +/-    1.94      18.9 +/-    1.94  0.050 / 0.050
G17     267.7          78.7                7.3 +/-    0.84       7.5 +/-    0.84  0.060 / 0.100
G19     232.9          51.2                8.6 +/-    2.68      10.7 +/-    2.68  0.100 / 0.090
G28     31.1           58.2                8.7 +/-    0.68      10.1 +/-    0.68  0.080 / 0.220
G30     144.3          51.0                9.7 +/-    1.16      12.1 +/-    1.16  0.060 / 0.170