PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/08-17:12:40
G02     55.3           36.3               10.4 +/-    0.36      16.1 +/-    0.36  0.050 / 0.060
G05     73.5           68.4               11.4 +/-    0.82      12.2 +/-    0.82  0.040 / 0.050
G12     187.0          39.0               12.7 +/-    1.41      18.7 +/-    1.41  0.080 / 0.080
G13     134.0          11.3               14.5 +/-   13.32      39.3 +/-   13.32  0.100 / 0.100
G20     205.1          53.7               14.3 +/-    0.89      17.2 +/-    0.89  0.150 / 0.370
G21     267.4          15.7               12.2 +/-    2.55      29.9 +/-    2.55  0.120 / 0.470
G25     241.7          55.1               13.7 +/-    0.92      16.4 +/-    0.92  0.020 / 0.040
G29     328.6          54.1                9.0 +/-    1.00      10.8 +/-    1.00  0.030 / 0.040