PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/09-14:57:30
G02     54.5           36.6                6.1 +/-    2.01       9.5 +/-    2.01  0.030 / 0.020
G05     75.2           68.0                7.6 +/-    0.33       8.1 +/-    0.33  0.020 / 0.020
G12     187.9          41.5                9.3 +/-    1.01      13.2 +/-    1.01  0.210 / 0.360
G13     135.1          10.2               -3.8 +/-   19.51     -10.6 +/-   19.51  0.150 / 0.430
G20     205.0          50.7                9.7 +/-    0.86      12.2 +/-    0.86  0.050 / 0.060
G21     266.5          15.8                7.7 +/-    1.55      18.8 +/-    1.55  0.040 / 0.040
G25     247.0          56.1                6.9 +/-    1.70       8.1 +/-    1.70  0.070 / 0.060
G29     328.1          53.4                5.4 +/-    0.76       6.6 +/-    0.76  0.060 / 0.070