PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/11-08:43:00
G05     48.9           15.9                1.6 +/-    2.68       4.0 +/-    2.68  0.140 / 0.310
G10     235.9          11.6               -4.3 +/-   30.21     -11.5 +/-   30.21  0.150 / 0.160
G13     77.2           36.9                7.9 +/-    0.84      12.2 +/-    0.84  0.210 / 0.410
G15     122.6          52.1                8.2 +/-    0.83      10.0 +/-    0.83  0.120 / 0.320
G16     315.2          11.8                1.9 +/-    3.54       5.1 +/-    3.54  0.030 / 0.040
G20     9.3            74.0                5.3 +/-    0.44       5.5 +/-    0.44  0.040 / 0.040
G21     313.6          47.8                4.1 +/-    0.66       5.3 +/-    0.66  0.040 / 0.060
G25     200.4          11.6                3.4 +/-    2.28       9.2 +/-    2.28  0.040 / 0.060
G26     287.5          20.6                6.8 +/-    0.80      14.8 +/-    0.80  0.190 / 0.540
G29     154.7          72.0                7.1 +/-    0.77       7.4 +/-    0.77  0.160 / 0.480