PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/25-11:57:50
G10     297.7          51.7                3.9 +/-    0.88       4.8 +/-    0.88  0.080 / 0.090
G14     210.8          10.7               -8.9 +/-    8.10     -24.6 +/-    8.10  0.060 / 0.110
G15     45.8           26.3                3.2 +/-    1.10       6.0 +/-    1.10  0.060 / 0.180
G20     69.5           23.0                3.8 +/-    0.99       7.9 +/-    0.99  0.060 / 0.170
G21     101.4          72.0                3.1 +/-    0.72       3.3 +/-    0.72  0.040 / 0.060
G24     97.7           26.7                6.2 +/-    1.23      11.7 +/-    1.23  0.030 / 0.060
G27     298.9          35.0                4.9 +/-    1.03       7.7 +/-    1.03  0.300 / 0.490
G32     210.8          33.4                4.0 +/-    1.91       6.5 +/-    1.91  0.040 / 0.050