PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/06-00:57:50
G05     51.0           11.9                8.0 +/-    1.81      21.5 +/-    1.81  0.210 / 0.130
G10     239.9          16.7               14.5 +/-    2.02      34.6 +/-    2.02  0.360 / 0.170
G13     68.5           35.5                9.4 +/-    1.47      14.8 +/-    1.47  0.160 / 0.420
G15     117.9          55.5               10.1 +/-    0.80      12.0 +/-    0.80  0.120 / 0.810
G16     307.9          14.7                6.4 +/-    4.19      15.9 +/-    4.19  0.090 / 0.130
G20     250.4          33.1               12.2 +/-    2.48      20.0 +/-    2.48  0.120 / 0.140
G21     317.8          50.1                9.2 +/-    0.60      11.6 +/-    0.60  0.080 / 0.080
G25     196.4          6.6                16.2 +/-    2.86      48.1 +/-    2.86  0.060 / 0.090
G26     280.0          20.0                8.9 +/-    1.99      19.6 +/-    1.99  0.050 / 0.060
G29     160.1          66.9               10.0 +/-    0.73      10.7 +/-    0.73  0.050 / 0.060