PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/24-18:42:40
G08     316.2          14.9                9.5 +/-    2.56      23.7 +/-    2.56  0.040 / 0.060
G10     314.6          56.4                9.8 +/-    1.42      11.5 +/-    1.42  0.050 / 0.050
G14     214.0          23.1               14.5 +/-    1.65      29.6 +/-    1.65  0.060 / 0.050
G15     45.6           17.1               10.1 +/-    1.72      23.8 +/-    1.72  0.050 / 0.040
G18     25.6           62.2               10.7 +/-    1.53      11.9 +/-    1.53  0.080 / 0.090
G20     79.1           12.3               12.2 +/-    2.86      32.3 +/-    2.86  0.110 / 0.070
G21     124.4          60.6               13.5 +/-    0.45      15.2 +/-    0.45  0.120 / 0.210
G24     85.9           29.9               12.4 +/-    0.91      21.7 +/-    0.91  0.170 / 0.240
G27     284.9          37.9               11.5 +/-    2.18      17.3 +/-    2.18  0.190 / 0.260
G32     217.0          41.9               14.2 +/-    1.08      20.1 +/-    1.08  0.090 / 0.320