PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/10-09:12:50
G01     51.8           26.2                4.0 +/-    2.33       7.5 +/-    2.33  0.040 / 0.050
G06     177.2          21.8                5.8 +/-    2.80      12.2 +/-    2.80  0.030 / 0.040
G07     144.5          14.9                5.5 +/-    3.02      13.6 +/-    3.02  0.090 / 0.240
G11     46.0           20.5                4.0 +/-    2.34       8.6 +/-    2.34  0.110 / 0.210
G13     252.9          33.2                5.9 +/-    1.77       9.7 +/-    1.77  0.040 / 0.060
G15     286.6          16.2                4.9 +/-    1.15      11.7 +/-    1.15  0.050 / 0.050
G17     286.1          78.7                6.3 +/-    0.99       6.5 +/-    0.99  0.040 / 0.050
G19     240.8          59.1                5.9 +/-    2.49       6.8 +/-    2.49  0.040 / 0.050
G28     34.5           58.5                4.6 +/-    1.05       5.3 +/-    1.05  0.170 / 0.300
G30     148.7          47.8                7.7 +/-    0.69      10.0 +/-    0.69  0.130 / 0.380