PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/06-23:43:10
G05     50.2           16.1                7.7 +/-    0.69      18.6 +/-    0.69  0.130 / 0.390
G10     239.7          15.3               16.1 +/-    0.95      39.7 +/-    0.95  0.160 / 0.330
G13     70.6           36.8               12.1 +/-    0.54      18.6 +/-    0.54  0.040 / 0.050
G15     119.2          55.0               13.4 +/-    0.45      16.0 +/-    0.45  0.050 / 0.060
G16     311.1          12.9               10.4 +/-    1.84      27.1 +/-    1.84  0.080 / 0.200
G18     250.3          45.1               14.7 +/-    2.28      19.8 +/-    2.28  0.090 / 0.170
G20     33.6           60.2               11.8 +/-    0.93      13.4 +/-    0.93  0.130 / 0.220
G21     317.7          50.6               11.2 +/-    1.09      14.1 +/-    1.09  0.130 / 0.180
G26     284.0          19.3               13.1 +/-    0.89      29.3 +/-    0.89  0.030 / 0.030
G29     158.3          63.8               13.3 +/-    0.43      14.6 +/-    0.43  0.030 / 0.030