PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/08-06:28:10
G07     45.0           69.2                9.8 +/-    0.68      10.5 +/-    0.68  0.090 / 0.100
G08     52.7           41.2                7.4 +/-    1.34      10.6 +/-    1.34  0.090 / 0.120
G09     178.3          39.6               11.7 +/-    0.62      17.1 +/-    0.62  0.030 / 0.030
G11     121.2          32.4                9.6 +/-    1.01      16.1 +/-    1.01  0.030 / 0.030
G17     199.1          13.2                4.0 +/-    2.13      10.3 +/-    2.13  0.060 / 0.050
G23     161.1          12.2                6.4 +/-    2.55      17.0 +/-    2.55  0.060 / 0.050
G28     271.9          51.5               11.2 +/-    3.23      13.9 +/-    3.23  0.100 / 0.480
G30     329.6          57.7                8.9 +/-    0.60      10.3 +/-    0.60  0.240 / 0.580