PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/13-19:42:40
G01     319.4          18.3                7.8 +/-    1.63      17.9 +/-    1.63  0.290 / 0.500
G08     259.8          14.7                7.6 +/-    2.03      19.1 +/-    2.03  0.300 / 0.370
G10     77.4           52.5                8.6 +/-    1.54      10.5 +/-    1.54  0.040 / 0.050
G11     307.7          19.3                7.2 +/-    1.02      16.2 +/-    1.02  0.040 / 0.050
G14     278.2          66.9                9.0 +/-    1.00       9.7 +/-    1.00  0.140 / 0.330
G20     104.5          28.3                8.3 +/-    0.81      15.1 +/-    0.81  0.140 / 0.370
G27     225.5          10.7               10.0 +/-    5.58      27.4 +/-    5.58  0.060 / 0.060
G31     176.1          39.4                9.6 +/-    0.86      14.1 +/-    0.86  0.060 / 0.070
G32     6.3            68.5                7.1 +/-    0.46       7.6 +/-    0.46  0.050 / 0.030