PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/03-19:57:30
G10     266.9          38.4               12.9 +/-    1.31      19.3 +/-    1.31  0.090 / 0.160
G13     41.9           18.2                9.0 +/-    1.32      20.7 +/-    1.32  0.120 / 0.160
G15     63.0           52.9               10.3 +/-    0.37      12.5 +/-    0.37  0.150 / 0.240
G16     278.8          12.3               10.4 +/-    2.63      27.7 +/-    2.63  0.130 / 0.260
G20     297.2          60.2               10.2 +/-    0.60      11.6 +/-    0.60  0.040 / 0.040
G21     3.8            71.9               11.4 +/-    0.51      11.9 +/-    0.51  0.040 / 0.050
G24     117.8          14.4               13.7 +/-    1.89      34.6 +/-    1.89  0.160 / 0.470
G27     319.3          17.6               10.3 +/-    1.73      24.0 +/-    1.73  0.170 / 0.470
G29     167.8          31.7               12.6 +/-    1.22      21.3 +/-    1.22  0.040 / 0.110