PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/09-10:43:00
G08     313.0          17.6                4.3 +/-    2.37      10.0 +/-    2.37  0.040 / 0.040
G10     323.9          58.8                5.1 +/-    0.62       5.8 +/-    0.62  0.040 / 0.050
G14     215.1          26.8                5.4 +/-    2.13      10.2 +/-    2.13  0.060 / 0.040
G15     46.1           14.0                2.3 +/-    2.17       5.9 +/-    2.17  0.060 / 0.060
G20     27.9           62.1                5.8 +/-    2.02       6.5 +/-    2.02  0.120 / 0.210
G21     129.0          58.1               -2.7 +/-    0.66      -3.2 +/-    0.66  0.150 / 0.160
G24     77.9           29.3                5.9 +/-    0.46      10.6 +/-    0.46  0.030 / 0.030
G27     284.3          37.0                6.0 +/-    1.22       9.2 +/-    1.22  0.030 / 0.030
G32     219.1          43.1                7.0 +/-    1.29       9.6 +/-    1.29  0.310 / 0.230