PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/14-17:27:50
G01     320.3          15.5                3.7 +/-    3.19       9.0 +/-    3.19  0.090 / 0.300
G08     262.0          16.5                7.5 +/-    1.48      18.1 +/-    1.48  0.110 / 0.180
G10     71.7           54.3                7.3 +/-    0.77       8.7 +/-    0.77  0.040 / 0.050
G11     311.2          16.6                4.8 +/-    1.53      11.6 +/-    1.53  0.040 / 0.040
G14     270.4          65.5                8.3 +/-    0.58       9.0 +/-    0.58  0.040 / 0.040
G20     101.7          30.1                8.7 +/-    0.53      15.2 +/-    0.53  0.030 / 0.040
G21     155.6          10.2               11.7 +/-    2.54      32.5 +/-    2.54  0.250 / 0.350
G27     228.0          13.1                7.0 +/-    3.37      18.2 +/-    3.37  0.200 / 0.400
G31     177.7          34.6                9.2 +/-    1.88      14.8 +/-    1.88  0.240 / 0.630
G32     359.2          71.0                7.0 +/-    0.63       7.4 +/-    0.63  0.170 / 0.460