PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/08-12:13:10
G10     267.4          38.0                5.8 +/-    1.13       8.7 +/-    1.13  0.050 / 0.070
G13     42.0           18.7                2.7 +/-    1.15       6.1 +/-    1.15  0.050 / 0.080
G15     57.5           46.9                3.8 +/-    0.28       5.0 +/-    0.28  0.140 / 0.260
G16     280.4          11.5                3.7 +/-    3.70      10.0 +/-    3.70  0.140 / 0.240
G20     52.0           39.3                3.5 +/-    0.61       5.2 +/-    0.61  0.160 / 0.640
G21     12.5           73.2                5.1 +/-    0.79       5.3 +/-    0.79  0.140 / 0.580
G24     120.7          14.3                4.6 +/-    2.23      11.5 +/-    2.23  0.030 / 0.040
G27     317.9          20.2                4.1 +/-    1.59       8.9 +/-    1.59  0.030 / 0.040
G29     167.2          28.8                4.3 +/-    0.86       7.8 +/-    0.86  0.060 / 0.060