PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/11-17:27:50
G10     246.5          22.4                9.4 +/-    1.51      19.6 +/-    1.51  0.050 / 0.050
G13     59.5           33.6                8.6 +/-    1.28      14.0 +/-    1.28  0.040 / 0.050
G15     94.8           57.2               10.4 +/-    1.34      12.2 +/-    1.34  0.050 / 0.040
G16     306.5          12.6                7.6 +/-    3.52      20.1 +/-    3.52  0.040 / 0.040
G18     263.2          54.1                9.3 +/-    2.58      11.2 +/-    2.58  0.220 / 0.290
G20     38.0           54.3                8.3 +/-    0.87      10.0 +/-    0.87  0.220 / 0.220
G21     332.6          59.6                8.4 +/-    0.72       9.5 +/-    0.72  0.150 / 0.400
G26     276.6          16.8                8.8 +/-    2.88      21.0 +/-    2.88  0.180 / 0.350
G29     160.3          49.3               10.9 +/-    0.52      13.9 +/-    0.52  0.050 / 0.100