PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/17-01:43:00
G10     277.8          43.9               13.4 +/-    1.06      18.3 +/-    1.06  0.070 / 0.120
G13     38.5           10.8                8.5 +/-    2.45      23.4 +/-    2.45  0.080 / 0.140
G15     52.3           43.3                9.1 +/-    0.82      12.6 +/-    0.82  0.080 / 0.190
G20     293.2          53.6               11.0 +/-    0.60      13.3 +/-    0.60  0.090 / 0.160
G21     29.3           76.5               11.8 +/-    0.56      12.2 +/-    0.56  0.040 / 0.040
G24     111.0          19.6               13.0 +/-    0.56      29.0 +/-    0.56  0.040 / 0.040
G27     313.4          25.8               10.4 +/-    1.88      20.1 +/-    1.88  0.230 / 0.610
G29     169.0          22.5               16.9 +/-    1.84      35.0 +/-    1.84  0.180 / 0.600
G32     205.5          19.5               20.4 +/-    2.29      45.5 +/-    2.29  0.050 / 0.140