PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/12-22:57:50
G01     230.5          23.4               10.2 +/-    2.29      20.6 +/-    2.29  0.040 / 0.040
G03     306.2          59.7                6.2 +/-    1.08       7.0 +/-    1.08  0.030 / 0.030
G14     75.1           33.8                5.9 +/-    2.63       9.5 +/-    2.63  0.070 / 0.140
G16     151.0          36.3                9.6 +/-    1.30      14.9 +/-    1.30  0.060 / 0.110
G22     254.5          74.6                7.9 +/-    0.62       8.1 +/-    0.62  0.040 / 0.050
G23     300.5          31.1                6.7 +/-    1.51      11.5 +/-    1.51  0.030 / 0.040
G26     113.4          50.9                8.6 +/-    0.95      10.7 +/-    0.95  0.070 / 0.110
G31     42.8           39.9                6.2 +/-    1.31       9.0 +/-    1.31  0.080 / 0.110
G32     92.3           10.4                9.2 +/-    3.30      25.3 +/-    3.30  0.080 / 0.130