PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/23-17:12:50
G02     73.9           21.7                8.6 +/-    0.84      18.2 +/-    0.84  0.030 / 0.060
G05     45.2           45.8                8.8 +/-    0.70      11.7 +/-    0.70  0.020 / 0.050
G12     179.6          13.7               11.2 +/-    2.06      28.7 +/-    2.06  0.080 / 0.180
G13     109.9          26.8               12.0 +/-    0.68      22.5 +/-    0.68  0.060 / 0.230
G15     153.2          28.2               12.2 +/-    1.56      22.3 +/-    1.56  0.090 / 0.140
G20     228.0          14.7               10.8 +/-    3.32      27.2 +/-    3.32  0.100 / 0.210
G21     287.0          27.9                8.3 +/-    0.98      15.2 +/-    0.98  0.100 / 0.330
G25     217.4          37.0               10.0 +/-    0.72      15.3 +/-    0.72  0.070 / 0.350
G26     314.8          13.5                8.1 +/-    2.41      21.0 +/-    2.41  0.050 / 0.110
G29     342.9          72.8                9.9 +/-    0.41      10.3 +/-    0.41  0.050 / 0.130