PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/12-07:58:00
G02     199.3          17.9                6.2 +/-    0.82      14.4 +/-    0.82  0.070 / 0.170
G06     170.5          50.1               15.1 +/-    1.17      19.1 +/-    1.17  0.070 / 0.180
G13     228.4          16.0                5.1 +/-    1.97      12.5 +/-    1.97  0.040 / 0.040
G17     17.5           62.8                6.0 +/-    0.72       6.6 +/-    0.72  0.040 / 0.040
G19     316.7          72.3                7.2 +/-    0.62       7.5 +/-    0.62  0.090 / 0.200
G24     312.6          25.5                4.7 +/-    1.43       9.1 +/-    1.43  0.100 / 0.250
G28     76.5           48.4                9.3 +/-    0.72      12.0 +/-    0.72  0.080 / 0.200
G30     157.8          21.1                9.9 +/-    1.81      21.2 +/-    1.81  0.100 / 0.160