PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/09-03:12:30
G02     253.6          78.9                3.5 +/-    0.49       3.6 +/-    0.49  0.110 / 0.110
G05     170.2          18.8                5.1 +/-    2.56      11.6 +/-    2.56  0.100 / 0.100
G06     38.7           61.5                3.1 +/-    0.63       3.4 +/-    0.63  0.340 / 0.390
G12     320.8          51.9                2.0 +/-    1.23       2.5 +/-    1.23  0.250 / 0.250
G17     73.7           19.1                3.3 +/-    1.34       7.4 +/-    1.34  0.060 / 0.070
G19     59.1           37.2                3.1 +/-    1.61       4.7 +/-    1.61  0.070 / 0.060
G24     239.9          32.9                4.9 +/-    1.85       8.1 +/-    1.85  0.050 / 0.040
G25     316.8          16.6                0.9 +/-    2.15       2.2 +/-    2.15  0.030 / 0.040