PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/11-18:58:10
G10     289.3          48.4                8.9 +/-    1.43      11.4 +/-    1.43  0.050 / 0.100
G15     47.1           32.0                9.0 +/-    0.77      15.2 +/-    0.77  0.070 / 0.110
G18     349.0          66.8                8.3 +/-    0.83       8.9 +/-    0.83  0.040 / 0.050
G20     67.2           22.7                8.5 +/-    0.91      17.6 +/-    0.91  0.040 / 0.050
G21     87.2           73.7               10.5 +/-    1.11      10.9 +/-    1.11  0.080 / 0.180
G24     104.5          24.3               10.8 +/-    1.28      21.4 +/-    1.28  0.070 / 0.180
G27     304.4          32.7                8.8 +/-    2.16      14.6 +/-    2.16  0.060 / 0.160
G32     209.3          25.0                9.9 +/-    0.91      19.3 +/-    0.91  0.060 / 0.160