PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/10-10:42:40
G05     49.1           15.7                1.7 +/-    2.11       4.2 +/-    2.11  0.240 / 0.210
G10     236.2          11.9               -2.5 +/-   23.92      -6.6 +/-   23.92  0.160 / 0.160
G13     76.6           36.9                4.8 +/-    1.23       7.4 +/-    1.23  0.050 / 0.060
G15     121.3          52.4                5.1 +/-    0.49       6.2 +/-    0.49  0.040 / 0.060
G16     315.5          11.4                2.0 +/-    6.71       5.5 +/-    6.71  0.040 / 0.040
G20     17.7           71.3                3.5 +/-    0.33       3.6 +/-    0.33  0.040 / 0.040
G21     315.2          49.1                2.0 +/-    0.50       2.5 +/-    0.50  0.220 / 0.440
G25     200.0          11.0                2.5 +/-    2.87       6.8 +/-    2.87  0.370 / 0.560
G26     287.7          20.3                5.9 +/-    1.43      12.8 +/-    1.43  0.200 / 0.270
G29     154.5          70.3                5.8 +/-    0.83       6.2 +/-    0.83  0.310 / 0.390