PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/10-13:57:40
G05     48.5           18.5                1.5 +/-    0.48       3.5 +/-    0.48  0.120 / 0.350
G10     236.0          12.9                2.4 +/-    1.83       6.3 +/-    1.83  0.240 / 0.290
G13     75.5           36.0                5.4 +/-    0.47       8.4 +/-    0.47  0.030 / 0.030
G15     126.8          52.1                6.7 +/-    0.59       8.3 +/-    0.59  0.030 / 0.050
G16     315.4          11.6                3.5 +/-    2.71       9.5 +/-    2.71  0.080 / 0.130
G20     248.1          37.0                5.6 +/-    1.04       8.6 +/-    1.04  0.080 / 0.120
G21     316.0          49.3                3.4 +/-    1.12       4.3 +/-    1.12  0.050 / 0.060
G26     290.1          19.5                4.9 +/-    1.25      11.0 +/-    1.25  0.050 / 0.060
G29     153.1          71.0                6.5 +/-    1.43       6.8 +/-    1.43  0.050 / 0.080