PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/14-17:42:50
G10     287.0          48.3                8.9 +/-    0.84      11.5 +/-    0.84  0.100 / 0.120
G15     48.7           37.3                7.1 +/-    0.49      10.8 +/-    0.49  0.080 / 0.120
G20     334.0          65.1                7.9 +/-    0.99       8.7 +/-    0.99  0.040 / 0.050
G21     72.4           76.0               11.1 +/-    0.77      11.4 +/-    0.77  0.040 / 0.050
G24     101.3          23.1               10.1 +/-    2.11      20.7 +/-    2.11  0.090 / 0.170
G27     309.4          28.8                9.0 +/-    2.02      16.1 +/-    2.02  0.080 / 0.180
G29     168.0          14.1               12.7 +/-    1.91      32.3 +/-    1.91  0.040 / 0.070
G32     207.7          24.4               10.2 +/-    1.13      20.1 +/-    1.13  0.060 / 0.080