PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/24-01:13:10
G10     277.6          43.9               11.4 +/-    1.53      15.6 +/-    1.53  0.080 / 0.130
G13     38.5           10.9                7.8 +/-    6.45      21.3 +/-    6.45  0.180 / 0.140
G15     52.6           43.7               10.5 +/-    1.22      14.4 +/-    1.22  0.050 / 0.040
G20     288.7          50.1                9.8 +/-    1.12      12.3 +/-    1.12  0.040 / 0.040
G21     28.5           76.4               11.8 +/-    0.86      12.1 +/-    0.86  0.110 / 0.190
G24     111.0          19.5               13.1 +/-    1.77      29.2 +/-    1.77  0.100 / 0.170
G27     313.6          25.6                9.4 +/-    2.14      18.0 +/-    2.14  0.310 / 0.360
G29     169.0          22.7               11.3 +/-    1.56      23.4 +/-    1.56  0.130 / 0.320
G32     205.5          19.3               14.1 +/-    3.39      31.6 +/-    3.39  0.060 / 0.060