PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/17-04:58:10
G07     53.0           69.0                5.7 +/-    0.79       6.1 +/-    0.79  0.030 / 0.030
G08     50.1           38.3                5.3 +/-    0.85       8.0 +/-    0.85  0.030 / 0.030
G09     175.6          34.6                7.3 +/-    1.22      11.7 +/-    1.22  0.170 / 0.210
G11     117.9          34.9                7.9 +/-    0.87      12.6 +/-    0.87  0.070 / 0.370
G17     198.7          15.7                5.9 +/-    4.83      14.5 +/-    4.83  0.110 / 0.280
G18     102.5          15.9                6.8 +/-    1.14      16.6 +/-    1.14  0.150 / 0.250
G23     161.4          10.8                5.2 +/-    1.87      14.2 +/-    1.87  0.270 / 0.370
G27     37.8           10.1                2.8 +/-    1.93       7.9 +/-    1.93  0.310 / 0.440
G28     272.0          50.8                6.1 +/-    2.72       7.6 +/-    2.72  0.090 / 0.070
G30     329.1          58.0                4.6 +/-    0.35       5.3 +/-    0.35  0.070 / 0.090