PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/07/24-20:43:10
G02     1.1            73.3               59.4 +/-   17.31      61.7 +/-   17.31  0.060 / 0.080
G05     162.3          42.3               13.5 +/-    1.02      18.9 +/-    1.02  0.070 / 0.090
G06     45.6           30.1              -13.0 +/-   11.68     -22.7 +/-   11.68  0.030 / 0.060
G12     264.5          80.2                8.3 +/-    0.51       8.4 +/-    0.51  0.030 / 0.070
G19     86.1           19.0              -41.8 +/-   38.61     -94.3 +/-   38.61  0.020 / 0.030
G20     197.1          10.3               -6.6 +/-   21.48     -18.4 +/-   21.48  0.020 / 0.030
G24     221.8          15.7               12.7 +/-    1.48      31.0 +/-    1.48  0.150 / 0.200
G25     312.4          43.5                9.3 +/-    2.76      12.8 +/-    2.76  0.120 / 0.220
G29     294.9          16.6                7.7 +/-    2.38      18.4 +/-    2.38  0.080 / 0.360