PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/17-20:12:30
G01     307.7          34.5                8.0 +/-    1.14      12.8 +/-    1.14  0.090 / 0.150
G10     104.3          39.2               21.6 +/-    0.60      31.8 +/-    0.60  0.110 / 0.140
G14     337.9          68.9                8.3 +/-    0.49       8.9 +/-    0.49  0.040 / 0.040
G20     120.0          12.9               11.5 +/-    1.72      30.1 +/-    1.72  0.060 / 0.050
G22     309.2          22.8                8.1 +/-    0.77      16.6 +/-    0.77  0.080 / 0.200
G25     84.7           15.5                9.3 +/-    2.84      22.9 +/-    2.84  0.080 / 0.180
G31     167.3          62.7               10.9 +/-    0.53      12.1 +/-    0.53  0.050 / 0.080
G32     35.6           52.8                8.7 +/-    1.28      10.6 +/-    1.28  0.050 / 0.070