PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/04/10-22:13:10
G01     42.3           18.2                9.0 +/-    3.67      20.8 +/-    3.67  0.040 / 0.030
G06     177.7          33.0               14.3 +/-    1.89      23.6 +/-    1.89  0.030 / 0.050
G13     239.4          24.4               13.7 +/-    1.96      27.1 +/-    1.96  0.320 / 0.210
G15     272.8          13.3               10.5 +/-    1.72      27.1 +/-    1.72  0.150 / 0.240
G17     358.2          72.3               10.2 +/-    0.59      10.7 +/-    0.59  0.070 / 0.100
G19     268.2          67.7               10.5 +/-    1.01      11.3 +/-    1.01  0.070 / 0.110
G24     316.9          17.9                9.3 +/-    2.87      21.5 +/-    2.87  0.040 / 0.030
G28     62.9           51.3               10.7 +/-    1.19      13.3 +/-    1.19  0.040 / 0.040
G30     153.4          29.4               15.0 +/-    1.57      26.6 +/-    1.57  0.330 / 0.410