PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/22-19:42:30
G08     266.4          18.9                9.7 +/-    2.73      21.9 +/-    2.73  0.050 / 0.050
G10     59.5           58.4                9.4 +/-    0.94      10.8 +/-    0.94  0.040 / 0.040
G11     311.7          17.4                9.3 +/-    2.15      21.9 +/-    2.15  0.140 / 0.490
G14     264.2          65.9               10.3 +/-    0.66      11.2 +/-    0.66  0.170 / 0.430
G20     94.1           37.4               10.1 +/-    1.13      15.4 +/-    1.13  0.150 / 0.210
G21     154.0          14.7               10.6 +/-    2.04      26.5 +/-    2.04  0.090 / 0.180
G27     234.8          17.3               10.6 +/-    2.02      24.9 +/-    2.02  0.190 / 0.190
G31     180.2          27.1               11.5 +/-    1.54      21.5 +/-    1.54  0.240 / 0.180
G32     333.0          74.8                9.1 +/-    0.36       9.4 +/-    0.36  0.090 / 0.120