PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/10-14:12:30
G08     299.1          21.4                4.0 +/-    1.81       8.6 +/-    1.81  0.040 / 0.100
G10     358.4          62.7                4.3 +/-    0.43       4.8 +/-    0.43  0.060 / 0.100
G14     227.0          41.8                5.7 +/-    1.80       8.0 +/-    1.80  0.060 / 0.090
G21     144.0          41.3                7.3 +/-    0.93      10.4 +/-    0.93  0.050 / 0.080
G24     60.1           27.6                4.2 +/-    0.55       7.7 +/-    0.55  0.040 / 0.080
G27     257.1          33.2                6.3 +/-    1.63      10.3 +/-    1.63  0.040 / 0.100
G32     240.1          65.3                6.7 +/-    0.60       7.3 +/-    0.60  0.040 / 0.040