PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/02/11-12:12:40
G08     318.0          13.9                2.6 +/-    2.97       6.7 +/-    2.97  0.070 / 0.100
G10     310.6          55.9                3.6 +/-    1.59       4.3 +/-    1.59  0.080 / 0.090
G14     212.2          19.8                3.4 +/-    1.56       7.4 +/-    1.56  0.400 / 0.360
G15     45.6           20.7                3.5 +/-    2.25       7.7 +/-    2.25  0.170 / 0.350
G20     11.8           64.2                5.0 +/-    0.70       5.5 +/-    0.70  0.040 / 0.030
G21     119.6          63.1                5.8 +/-    0.55       6.4 +/-    0.55  0.030 / 0.030
G24     85.8           28.3                3.5 +/-    1.60       6.3 +/-    1.60  0.080 / 0.070
G27     294.0          35.6                5.6 +/-    2.58       8.7 +/-    2.58  0.090 / 0.040
G32     214.6          36.9                4.8 +/-    1.52       7.4 +/-    1.52  0.110 / 0.230