PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/14-15:42:50
G05     48.1           20.1                7.3 +/-    1.62      16.0 +/-    1.62  0.060 / 0.070
G10     235.6          12.3                5.7 +/-   16.88      15.0 +/-   16.88  0.050 / 0.050
G13     76.4           36.1                8.7 +/-    1.00      13.5 +/-    1.00  0.260 / 0.180
G15     129.5          51.5                9.1 +/-    0.61      11.3 +/-    0.61  0.240 / 0.120
G16     315.3          11.8                2.3 +/-   11.86       6.2 +/-   11.86  0.060 / 0.080
G20     247.4          36.4               10.0 +/-    2.12      15.5 +/-    2.12  0.060 / 0.080
G21     314.2          47.9                7.3 +/-    0.82       9.4 +/-    0.82  0.030 / 0.040
G26     289.7          19.9                5.7 +/-    1.17      12.7 +/-    1.17  0.030 / 0.040
G29     153.2          72.6                9.4 +/-    0.82       9.8 +/-    0.82  0.180 / 0.400