PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/29-09:12:40
G10     277.4          43.5                4.0 +/-    1.14       5.5 +/-    1.14  0.100 / 0.130
G13     38.7           11.5                3.7 +/-    2.26      10.1 +/-    2.26  0.100 / 0.160
G15     51.0           40.2                4.9 +/-    1.27       7.1 +/-    1.27  0.040 / 0.030
G20     50.4           44.5                4.5 +/-    1.04       6.1 +/-    1.04  0.040 / 0.030
G21     36.4           76.5                5.4 +/-    0.85       5.5 +/-    0.85  0.040 / 0.060
G24     112.6          19.4                5.5 +/-    0.96      12.2 +/-    0.96  0.060 / 0.050
G27     312.9          26.3                4.1 +/-    1.80       7.8 +/-    1.80  0.110 / 0.160
G29     168.4          21.2                5.5 +/-    1.64      11.8 +/-    1.64  0.150 / 0.160
G32     205.7          18.9                4.7 +/-    2.82      10.7 +/-    2.82  0.090 / 0.060