PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/16-17:12:40
G10     248.5          24.2               10.0 +/-    1.85      20.0 +/-    1.85  0.170 / 0.480
G13     56.9           32.4                7.9 +/-    0.98      13.2 +/-    0.98  0.140 / 0.480
G15     89.6           57.1               10.4 +/-    0.76      12.2 +/-    0.76  0.030 / 0.060
G16     303.7          13.1                6.6 +/-    2.37      17.1 +/-    2.37  0.030 / 0.060
G18     266.8          55.7               10.3 +/-    0.84      12.2 +/-    0.84  0.040 / 0.050
G20     39.6           52.3                7.7 +/-    0.40       9.4 +/-    0.40  0.050 / 0.050
G21     336.2          61.4                8.8 +/-    0.38       9.8 +/-    0.38  0.140 / 0.410
G26     274.0          16.1                9.1 +/-    2.48      22.1 +/-    2.48  0.140 / 0.380
G29     161.3          46.9               13.0 +/-    0.80      17.1 +/-    0.80  0.060 / 0.160