PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/11-19:43:00
G02     14.6           68.2               10.6 +/-    0.73      11.3 +/-    0.73  0.100 / 0.370
G05     160.2          47.5               14.2 +/-    0.69      18.5 +/-    0.69  0.110 / 0.290
G06     47.8           25.7               11.0 +/-    0.83      21.2 +/-    0.83  0.030 / 0.040
G12     232.4          78.8                9.9 +/-    0.73      10.1 +/-    0.73  0.030 / 0.030
G19     90.8           15.7               12.4 +/-    1.74      30.3 +/-    1.74  0.050 / 0.070
G20     197.1          15.2               17.3 +/-    3.06      42.7 +/-    3.06  0.050 / 0.070
G24     218.0          11.9               14.9 +/-    3.28      39.8 +/-    3.28  0.080 / 0.190
G25     308.1          48.5               12.5 +/-    1.05      16.0 +/-    1.05  0.120 / 0.200
G29     299.3          20.9               13.2 +/-    1.51      28.4 +/-    1.51  0.040 / 0.050