PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/12-20:13:00
G01     314.4          27.8                8.2 +/-    1.12      15.0 +/-    1.12  0.170 / 0.290
G10     93.6           45.6               11.0 +/-    0.74      14.7 +/-    0.74  0.120 / 0.320
G11     297.0          24.1                8.9 +/-    1.65      17.8 +/-    1.65  0.050 / 0.040
G14     311.5          69.9                9.5 +/-    0.57      10.0 +/-    0.57  0.040 / 0.030
G20     113.8          19.9               11.4 +/-    1.57      25.0 +/-    1.57  0.110 / 0.220
G22     305.3          15.6                8.4 +/-    1.98      20.6 +/-    1.98  0.130 / 0.220
G25     93.6           12.0               12.2 +/-    1.90      32.5 +/-    1.90  0.060 / 0.040
G31     172.5          52.4               12.8 +/-    0.86      15.7 +/-    0.86  0.050 / 0.050
G32     24.8           59.8                9.0 +/-    1.06      10.2 +/-    1.06  0.040 / 0.040