PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/01-22:27:50
G02     87.7           11.5                8.4 +/-    3.81      22.8 +/-    3.81  0.080 / 0.090
G05     45.6           27.2                5.6 +/-    1.56      10.4 +/-    1.56  0.110 / 0.110
G13     91.2           35.1               10.3 +/-    1.00      16.3 +/-    1.00  0.090 / 0.200
G15     143.0          42.2               12.7 +/-    0.81      17.8 +/-    0.81  0.110 / 0.220
G20     235.3          5.8                12.7 +/-    2.01      38.0 +/-    2.01  0.190 / 0.430
G21     301.5          38.5               10.7 +/-    1.77      15.9 +/-    1.77  0.190 / 0.440
G25     205.1          20.4               10.3 +/-    3.79      22.5 +/-    3.79  0.070 / 0.110
G26     298.2          20.6               10.0 +/-    2.72      21.7 +/-    2.72  0.050 / 0.090
G29     114.8          86.9                9.5 +/-    0.61       9.6 +/-    0.61  0.030 / 0.040