PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/02/26-12:58:10
G08     272.0          20.7                6.4 +/-    3.07      13.7 +/-    3.07  0.100 / 0.150
G10     50.4           59.9                3.8 +/-    0.72       4.3 +/-    0.72  0.100 / 0.170
G14     254.5          63.2                6.4 +/-    0.49       7.1 +/-    0.49  0.030 / 0.030
G18     314.3          29.6                3.6 +/-    1.18       6.4 +/-    1.18  0.030 / 0.030
G20     89.2           40.5                3.0 +/-    0.84       4.4 +/-    0.84  0.030 / 0.020
G21     152.6          17.5                3.5 +/-    1.80       8.3 +/-    1.80  0.030 / 0.020
G24     41.4           12.4                1.8 +/-    2.76       4.9 +/-    2.76  0.050 / 0.050
G27     238.9          20.7                5.8 +/-    1.31      12.5 +/-    1.31  0.050 / 0.040
G31     181.5          21.6                4.6 +/-    2.80       9.7 +/-    2.80  0.310 / 0.220
G32     298.5          74.9                5.2 +/-    0.42       5.4 +/-    0.42  0.190 / 0.250