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               10.9 +/-    0.90      21.7 +/-    0.90  0.040 / 0.040
G13     56.9           32.4                7.5 +/-    1.01      12.6 +/-    1.01  0.030 / 0.050
G15     89.6           57.1               11.0 +/-    1.42      12.8 +/-    1.42  0.180 / 0.330
G16     303.7          13.1                7.1 +/-    1.82      18.5 +/-    1.82  0.120 / 0.280
G18     266.8          55.7                9.5 +/-    1.47      11.2 +/-    1.47  0.040 / 0.050
G20     39.6           52.3                8.5 +/-    0.70      10.4 +/-    0.70  0.060 / 0.040
G21     336.2          61.4               14.5 +/-    0.66      16.2 +/-    0.66  0.050 / 0.100
G26     274.0          16.1                8.8 +/-    1.61      21.4 +/-    1.61  0.060 / 0.130
G29     161.3          46.9               13.1 +/-    0.65      17.2 +/-    0.65  0.130 / 0.370