PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/22-00:27:50
G01     298.0          39.5                5.3 +/-    5.76       7.8 +/-    5.76  0.070 / 0.100
G03     309.0          10.6              -17.9 +/-   10.77     -49.4 +/-   10.77  0.110 / 0.090
G10     113.8          32.2                7.9 +/-    0.71      13.3 +/-    0.71  0.050 / 0.050
G11     274.6          26.2                6.7 +/-    1.08      12.8 +/-    1.08  0.060 / 0.060
G14     6.9            64.3                6.6 +/-    0.70       7.2 +/-    0.70  0.050 / 0.090
G18     262.9          49.9                9.0 +/-    8.36      11.4 +/-    8.36  0.100 / 0.060
G22     312.3          30.7                6.5 +/-    1.52      11.1 +/-    1.52  0.060 / 0.040
G25     75.4           18.0                6.2 +/-    1.50      14.4 +/-    1.50  0.040 / 0.050
G31     149.0          73.7                8.0 +/-    0.72       8.3 +/-    0.72  0.080 / 0.120
G32     44.5           46.5                5.7 +/-    0.56       7.5 +/-    0.56  0.080 / 0.100