PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/05-14:13:10
G01     127.5          11.3               11.4 +/-    5.22      31.0 +/-    5.22  0.260 / 0.330
G07     50.5           69.7                9.1 +/-    0.43       9.6 +/-    0.43  0.190 / 0.340
G08     50.9           40.1                8.0 +/-    0.84      11.6 +/-    0.84  0.030 / 0.030
G09     177.2          35.5                9.0 +/-    1.43      14.1 +/-    1.43  0.030 / 0.020
G11     118.7          35.0               11.3 +/-    0.96      17.9 +/-    0.96  0.110 / 0.350
G13     321.2          11.2               -4.3 +/-   16.08     -11.6 +/-   16.08  0.260 / 0.400
G17     200.1          13.7                6.0 +/-    2.48      15.4 +/-    2.48  0.070 / 0.090
G18     104.2          16.3               10.9 +/-    1.85      26.3 +/-    1.85  0.090 / 0.110
G28     275.3          52.6                8.8 +/-    3.11      10.8 +/-    3.11  0.050 / 0.050
G30     331.6          59.6                7.6 +/-    0.95       8.7 +/-    0.95  0.060 / 0.050