PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/09-00:12:50
G01     319.6          17.6               -8.4 +/-   36.05     -19.6 +/-   36.05  0.140 / 0.260
G08     262.9          14.7               10.9 +/-    1.43      27.4 +/-    1.43  0.210 / 0.120
G10     77.1           52.8                8.7 +/-    0.74      10.6 +/-    0.74  0.040 / 0.040
G11     306.4          20.6                7.3 +/-    1.20      15.9 +/-    1.20  0.040 / 0.050
G14     283.2          68.8                7.9 +/-    0.76       8.4 +/-    0.76  0.060 / 0.090
G18     306.8          39.2                8.0 +/-    1.46      11.9 +/-    1.46  0.090 / 0.100
G20     103.8          30.0                9.5 +/-    1.34      16.6 +/-    1.34  0.030 / 0.030
G27     225.9          10.8               12.5 +/-    5.60      34.2 +/-    5.60  0.030 / 0.030
G31     175.1          40.3               10.0 +/-    1.14      14.4 +/-    1.14  0.120 / 0.280
G32     2.9            69.3                7.7 +/-    1.01       8.2 +/-    1.01  0.110 / 0.320