PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/08-16:13:10
G01     313.8          26.8                4.0 +/-    1.88       7.5 +/-    1.88  0.040 / 0.040
G10     95.4           46.8                6.0 +/-    0.61       7.8 +/-    0.61  0.040 / 0.060
G11     294.3          25.7                5.7 +/-    2.23      11.0 +/-    2.23  0.130 / 0.180
G14     329.1          70.2                5.2 +/-    0.73       5.5 +/-    0.73  0.120 / 0.240
G22     306.3          19.7                6.4 +/-    1.93      14.3 +/-    1.93  0.050 / 0.050
G25     91.6           13.5                8.1 +/-    1.52      21.0 +/-    1.52  0.040 / 0.050
G31     172.1          55.1                7.6 +/-    1.34       9.0 +/-    1.34  0.160 / 0.300
G32     26.1           58.7                5.4 +/-    0.47       6.2 +/-    0.47  0.130 / 0.300