PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/09-00:28:10
G01     122.6          15.3                9.6 +/-    2.58      23.7 +/-    2.58  0.100 / 0.090
G07     68.7           68.3                7.8 +/-    0.26       8.3 +/-    0.26  0.090 / 0.070
G08     47.7           36.8                5.9 +/-    1.23       9.1 +/-    1.23  0.140 / 0.250
G09     178.3          31.2                8.6 +/-    0.82      14.7 +/-    0.82  0.150 / 0.280
G11     115.1          37.7                9.7 +/-    1.31      14.6 +/-    1.31  0.160 / 0.250
G13     319.8          15.3                4.7 +/-    1.71      11.6 +/-    1.71  0.150 / 0.220
G17     201.3          19.4                9.0 +/-    2.11      20.1 +/-    2.11  0.030 / 0.050
G28     286.4          56.1                6.7 +/-    2.67       7.9 +/-    2.67  0.040 / 0.060
G30     349.1          68.2                6.4 +/-    1.01       6.9 +/-    1.01  0.040 / 0.080