PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/08-01:42:50
G01     91.1           31.6                4.8 +/-    1.13       8.1 +/-    1.13  0.030 / 0.040
G07     124.8          46.3                6.6 +/-    0.63       8.7 +/-    0.63  0.030 / 0.040
G08     42.5           9.8                 3.3 +/-    3.93       9.3 +/-    3.93  0.080 / 0.540
G11     72.2           41.4                4.7 +/-    1.18       6.7 +/-    1.18  0.150 / 0.690
G13     296.3          35.2                6.3 +/-    4.52      10.0 +/-    4.52  0.070 / 0.080
G17     214.4          51.7                8.5 +/-    0.69      10.5 +/-    0.69  0.070 / 0.090
G19     214.3          26.9                7.1 +/-    1.22      13.3 +/-    1.22  0.040 / 0.040
G28     349.2          61.7                4.2 +/-    0.31       4.7 +/-    0.31  0.040 / 0.040
G30     108.3          72.3                6.8 +/-    0.47       7.1 +/-    0.47  0.070 / 0.080