PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/14-03:42:30
G08     297.1          22.5               10.5 +/-    1.12      21.6 +/-    1.12  0.050 / 0.080
G10     359.9          62.8               10.5 +/-    0.86      11.7 +/-    0.86  0.050 / 0.070
G14     226.8          40.7               14.2 +/-    1.56      20.4 +/-    1.56  0.040 / 0.060
G20     38.7           62.8               16.3 +/-    0.36      18.1 +/-    0.36  0.040 / 0.070
G21     144.8          44.8               11.1 +/-    0.60      15.0 +/-    0.60  0.080 / 0.090
G24     58.4           26.3                8.0 +/-    1.20      15.2 +/-    1.20  0.070 / 0.100
G27     258.3          33.3               11.9 +/-    2.57      19.6 +/-    2.57  0.080 / 0.100
G32     240.8          66.9               12.1 +/-    0.85      13.0 +/-    0.85  0.060 / 0.130