PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/29-19:58:10
G08     304.8          21.5                9.8 +/-    1.27      20.8 +/-    1.27  0.130 / 0.170
G10     340.0          61.1                8.7 +/-    0.40       9.8 +/-    0.40  0.180 / 0.120
G14     220.0          34.2               11.3 +/-    1.89      18.3 +/-    1.89  0.080 / 0.120
G15     47.6           10.3                9.4 +/-    2.91      26.1 +/-    2.91  0.080 / 0.090
G20     44.3           58.8                9.9 +/-    1.04      11.3 +/-    1.04  0.030 / 0.060
G21     137.7          52.3               11.8 +/-    0.61      14.4 +/-    0.61  0.030 / 0.050
G24     66.3           27.8                7.7 +/-    0.99      14.1 +/-    0.99  0.060 / 0.070
G27     272.3          36.4               10.3 +/-    2.31      16.0 +/-    2.31  0.060 / 0.070
G32     226.5          56.2               11.7 +/-    2.58      13.8 +/-    2.58  0.130 / 0.250