PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/25-19:13:00
G02     73.7           22.6                7.9 +/-    0.96      16.3 +/-    0.96  0.070 / 0.190
G05     45.0           43.9                7.9 +/-    0.41      10.9 +/-    0.41  0.080 / 0.190
G12     180.2          13.9               13.1 +/-    4.91      33.5 +/-    4.91  0.130 / 0.320
G13     109.4          27.1               11.4 +/-    0.73      21.3 +/-    0.73  0.100 / 0.400
G15     153.4          28.4               13.1 +/-    1.11      23.7 +/-    1.11  0.060 / 0.100
G20     228.2          14.4               11.9 +/-    6.68      29.9 +/-    6.68  0.060 / 0.120
G21     287.4          28.2                8.1 +/-    1.56      14.7 +/-    1.56  0.110 / 0.210
G25     217.1          36.5                9.1 +/-    1.18      14.1 +/-    1.18  0.100 / 0.210
G26     314.5          13.8                8.7 +/-    2.11      22.3 +/-    2.11  0.030 / 0.060
G29     344.5          73.8                9.5 +/-    0.60       9.8 +/-    0.60  0.040 / 0.050