PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/09-02:13:10
G10     276.8          43.5               10.3 +/-    0.86      14.3 +/-    0.86  0.080 / 0.140
G13     38.7           11.5                7.6 +/-    2.78      20.6 +/-    2.78  0.080 / 0.160
G15     52.7           43.7                8.4 +/-    0.59      11.5 +/-    0.59  0.110 / 0.240
G20     297.8          56.8               10.0 +/-    0.99      11.7 +/-    0.99  0.110 / 0.200
G21     26.5           76.2               11.0 +/-    0.57      11.3 +/-    0.57  0.040 / 0.040
G24     111.8          19.2               12.0 +/-    0.72      27.0 +/-    0.72  0.040 / 0.040
G27     313.9          25.3                7.1 +/-    1.46      13.8 +/-    1.46  0.050 / 0.080
G29     169.0          23.2               10.2 +/-    3.76      20.8 +/-    3.76  0.060 / 0.070
G32     205.3          18.7               12.0 +/-    1.11      27.3 +/-    1.11  0.060 / 0.150