PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/30-15:27:50
G02     265.6          78.2                5.6 +/-    0.86       5.8 +/-    0.86  0.080 / 0.130
G05     169.8          22.1                8.4 +/-    1.02      17.6 +/-    1.02  0.070 / 0.140
G06     39.7           49.6                7.0 +/-    0.35       8.9 +/-    0.35  0.030 / 0.060
G12     320.4          59.9                8.3 +/-    0.58       9.4 +/-    0.58  0.030 / 0.050
G17     75.5           20.0                7.0 +/-    0.74      15.5 +/-    0.74  0.080 / 0.220
G19     65.4           32.1                7.1 +/-    1.06      11.9 +/-    1.06  0.110 / 0.190
G24     238.6          30.0                9.7 +/-    2.43      16.9 +/-    2.43  0.080 / 0.160
G25     317.2          18.0                9.3 +/-    1.31      21.5 +/-    1.31  0.050 / 0.140