PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/10-18:42:40
G10     247.4          24.3               13.3 +/-    1.77      26.4 +/-    1.77  0.040 / 0.060
G13     57.1           31.6               12.1 +/-    1.04      20.5 +/-    1.04  0.040 / 0.050
G15     102.3          59.3               14.3 +/-    0.38      16.3 +/-    0.38  0.200 / 0.570
G16     299.3          15.6                7.3 +/-   11.88      17.8 +/-   11.88  0.140 / 0.580
G20     264.8          48.3               14.0 +/-    1.16      18.1 +/-    1.16  0.040 / 0.120
G21     330.2          57.9               12.6 +/-    0.77      14.5 +/-    0.77  0.050 / 0.130
G26     271.9          16.9               12.0 +/-    1.66      28.5 +/-    1.66  0.020 / 0.040
G29     163.3          54.6               14.0 +/-    1.70      16.7 +/-    1.70  0.030 / 0.040