PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/02-19:58:10
G10     265.4          37.5               12.2 +/-    1.31      18.6 +/-    1.31  0.150 / 0.410
G13     42.6           19.2                9.0 +/-    1.48      20.2 +/-    1.48  0.150 / 0.440
G15     64.9           53.9               10.1 +/-    0.66      12.2 +/-    0.66  0.140 / 0.210
G16     280.1          12.7                9.1 +/-    1.48      24.0 +/-    1.48  0.120 / 0.180
G20     294.5          59.6               10.6 +/-    0.93      12.1 +/-    0.93  0.040 / 0.050
G21     0.4            71.0               11.1 +/-    0.45      11.7 +/-    0.45  0.040 / 0.040
G24     119.0          13.6               13.3 +/-    1.86      34.2 +/-    1.86  0.120 / 0.320
G27     319.9          16.5                8.6 +/-    1.42      20.5 +/-    1.42  0.140 / 0.320
G29     167.7          33.2               13.2 +/-    1.36      21.7 +/-    1.36  0.070 / 0.100