PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/12-17:28:00
G10     273.9          42.3               10.6 +/-    1.55      14.9 +/-    1.55  0.030 / 0.030
G13     39.4           13.3                7.6 +/-    2.18      19.7 +/-    2.18  0.040 / 0.040
G15     55.0           46.4                9.5 +/-    0.58      12.6 +/-    0.58  0.120 / 0.140
G20     310.0          62.7                9.9 +/-    0.84      11.0 +/-    0.84  0.090 / 0.110
G21     27.9           75.3               10.2 +/-    1.23      10.5 +/-    1.23  0.230 / 0.300
G24     111.4          18.0               14.5 +/-    1.69      33.6 +/-    1.69  0.190 / 0.440
G27     316.6          21.8                7.9 +/-    2.08      16.7 +/-    2.08  0.040 / 0.040
G29     167.9          24.4               15.8 +/-    2.41      31.2 +/-    2.41  0.030 / 0.040
G32     205.2          14.6               18.8 +/-    2.07      47.2 +/-    2.07  0.210 / 0.270