PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/17-04:27:50
G01     115.8          18.3                6.6 +/-    1.25      15.1 +/-    1.25  0.030 / 0.030
G07     83.7           65.8                6.2 +/-    0.63       6.7 +/-    0.63  0.030 / 0.030
G08     44.4           30.2                4.9 +/-    1.23       8.6 +/-    1.23  0.200 / 0.240
G09     174.3          22.2                5.7 +/-    1.49      12.0 +/-    1.49  0.200 / 0.130
G11     109.4          42.0                7.0 +/-    0.91       9.9 +/-    0.91  0.060 / 0.100
G13     316.5          21.7                4.2 +/-    3.03       8.8 +/-    3.03  0.050 / 0.100
G17     201.0          25.6                7.2 +/-    2.28      13.8 +/-    2.28  0.120 / 0.090
G28     283.0          52.1                6.1 +/-    2.67       7.5 +/-    2.67  0.090 / 0.090
G30     340.6          67.1                5.1 +/-    0.59       5.5 +/-    0.59  0.050 / 0.080