PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/02-17:57:50
G08     270.6          20.0                8.3 +/-    1.85      18.2 +/-    1.85  0.150 / 0.240
G10     56.6           58.2                7.8 +/-    0.45       9.0 +/-    0.45  0.130 / 0.290
G11     316.5          11.5                4.8 +/-    9.73      12.9 +/-    9.73  0.040 / 0.050
G14     253.3          59.5               10.9 +/-    0.55      12.4 +/-    0.55  0.040 / 0.060
G20     93.4           36.3                7.2 +/-    0.46      11.2 +/-    0.46  0.090 / 0.370
G21     154.3          18.8                7.5 +/-    1.85      17.1 +/-    1.85  0.090 / 0.320
G24     42.1           13.6                5.8 +/-    1.30      15.0 +/-    1.30  0.120 / 0.260
G27     234.5          19.0               10.0 +/-    1.42      22.5 +/-    1.42  0.150 / 0.220
G31     179.2          26.0                9.7 +/-    1.92      18.5 +/-    1.92  0.030 / 0.040
G32     331.3          75.9               10.4 +/-    0.83      10.7 +/-    0.83  0.030 / 0.040