PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/05-17:57:40
G02     15.5           68.2               14.9 +/-    0.77      15.9 +/-    0.77  0.030 / 0.040
G05     162.1          45.6               20.1 +/-    1.47      26.8 +/-    1.47  0.030 / 0.040
G06     47.0           27.4               11.3 +/-    1.14      21.0 +/-    1.14  0.110 / 0.370
G12     244.2          79.3               14.1 +/-    0.70      14.3 +/-    0.70  0.090 / 0.440
G19     89.8           16.5               15.8 +/-    1.30      37.8 +/-    1.30  0.050 / 0.080
G20     197.4          13.6               25.4 +/-    7.16      65.3 +/-    7.16  0.080 / 0.100
G24     218.8          12.7               19.6 +/-    1.34      51.5 +/-    1.34  0.050 / 0.090
G25     309.8          46.3               15.3 +/-    1.47      20.3 +/-    1.47  0.090 / 0.100
G29     298.9          21.0               16.2 +/-    1.87      34.8 +/-    1.87  0.160 / 0.570