PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/25-16:57:30
G10     287.0          48.3                7.9 +/-    0.74      10.2 +/-    0.74  0.090 / 0.120
G15     48.5           36.8                6.1 +/-    0.34       9.4 +/-    0.34  0.080 / 0.140
G20     334.1          65.1                7.3 +/-    1.20       7.9 +/-    1.20  0.040 / 0.040
G21     74.1           75.6                9.4 +/-    0.72       9.7 +/-    0.72  0.040 / 0.040
G24     101.0          23.1                9.0 +/-    1.81      18.4 +/-    1.81  0.130 / 0.300
G27     309.5          28.7                7.2 +/-    1.70      13.0 +/-    1.70  0.120 / 0.250
G29     167.9          13.8               11.1 +/-    1.84      28.3 +/-    1.84  0.080 / 0.200
G32     207.8          24.2                9.5 +/-    2.44      18.9 +/-    2.44  0.090 / 0.190