PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/14-05:12:30
G03     225.9          63.9                5.8 +/-    0.61       6.3 +/-    0.61  0.050 / 0.080
G07     252.6          12.0                4.6 +/-    1.84      12.3 +/-    1.84  0.070 / 0.060
G09     309.0          28.1                2.2 +/-    1.41       4.0 +/-    1.41  0.210 / 0.370
G14     104.8          10.6                2.5 +/-    2.74       6.8 +/-    2.74  0.110 / 0.480
G16     107.7          62.7                6.4 +/-    1.00       7.1 +/-    1.00  0.030 / 0.050
G22     192.3          48.7                7.0 +/-    1.95       8.9 +/-    1.95  0.030 / 0.050
G23     324.0          53.9                5.6 +/-    0.65       6.8 +/-    0.65  0.130 / 0.550
G26     59.1           46.9                4.4 +/-    0.43       5.8 +/-    0.43  0.130 / 0.450
G31     56.1           13.9                2.1 +/-    2.23       5.3 +/-    2.23  0.040 / 0.050