PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/04-16:27:50
G02     78.8           16.7               10.9 +/-    1.61      26.0 +/-    1.61  0.050 / 0.070
G05     44.7           41.0               10.5 +/-    1.17      15.0 +/-    1.17  0.060 / 0.050
G12     180.7          10.5               13.5 +/-    2.02      37.3 +/-    2.02  0.060 / 0.130
G13     108.5          30.2               11.3 +/-    0.87      19.7 +/-    0.87  0.050 / 0.140
G15     149.0          32.1               11.9 +/-    1.32      19.9 +/-    1.32  0.040 / 0.040
G18     227.2          22.4               12.8 +/-    1.24      26.6 +/-    1.24  0.040 / 0.050
G20     254.2          83.6               11.3 +/-    0.64      11.4 +/-    0.64  0.150 / 0.390
G21     292.4          34.3               10.2 +/-    1.51      16.4 +/-    1.51  0.190 / 0.330
G25     212.1          31.3               12.3 +/-    1.93      21.0 +/-    1.93  0.080 / 0.120
G29     24.4           83.2               10.2 +/-    0.53      10.2 +/-    0.53  0.090 / 0.140