PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/14-03:42:40
G08     297.1          22.5               11.5 +/-    1.80      23.9 +/-    1.80  0.060 / 0.130
G10     359.9          62.8               11.8 +/-    0.71      13.0 +/-    0.71  0.070 / 0.120
G14     226.8          40.7               14.8 +/-    0.84      21.3 +/-    0.84  0.060 / 0.100
G20     38.7           62.8                9.7 +/-    0.68      10.7 +/-    0.68  0.050 / 0.090
G21     144.8          44.8               10.8 +/-    1.38      14.6 +/-    1.38  0.030 / 0.030
G24     58.4           26.3                9.2 +/-    1.21      17.4 +/-    1.21  0.040 / 0.030
G27     258.3          33.3               12.4 +/-    1.45      20.4 +/-    1.45  0.070 / 0.080
G32     240.8          66.9               12.9 +/-    1.06      13.9 +/-    1.06  0.060 / 0.080