PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/05-04:28:00
G08     293.6          22.7                8.3 +/-    0.94      17.0 +/-    0.94  0.090 / 0.130
G10     8.1            63.0                6.4 +/-    0.52       7.1 +/-    0.52  0.070 / 0.120
G14     229.8          43.7                9.8 +/-    0.89      13.5 +/-    0.89  0.060 / 0.100
G20     55.4           58.2               10.2 +/-    0.36      11.8 +/-    0.36  0.070 / 0.080
G21     146.8          41.0                8.0 +/-    1.20      11.5 +/-    1.20  0.060 / 0.090
G24     55.0           24.8                5.0 +/-    1.24       9.8 +/-    1.24  0.060 / 0.090
G27     254.1          31.5                9.8 +/-    0.78      16.6 +/-    0.78  0.040 / 0.090
G32     248.5          69.9                7.7 +/-    0.92       8.1 +/-    0.92  0.040 / 0.080