PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/03-21:28:10
G10     252.7          28.6               11.9 +/-    2.24      21.4 +/-    2.24  0.100 / 0.270
G13     51.2           28.2                6.5 +/-    1.61      11.9 +/-    1.61  0.160 / 0.320
G15     88.3           59.4                9.5 +/-    0.49      10.9 +/-    0.49  0.030 / 0.040
G16     291.3          15.9                9.0 +/-    1.61      21.8 +/-    1.61  0.040 / 0.040
G20     253.6          13.3               13.0 +/-    3.18      33.7 +/-    3.18  0.080 / 0.140
G21     335.1          61.1                9.5 +/-    0.48      10.7 +/-    0.48  0.140 / 0.210
G26     263.8          14.7               10.2 +/-    1.55      25.6 +/-    1.55  0.030 / 0.030
G29     165.9          48.5                9.8 +/-    0.91      12.5 +/-    0.91  0.030 / 0.030