PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/18-01:12:50
G10     264.6          36.8               12.6 +/-    1.85      19.3 +/-    1.85  0.120 / 0.160
G13     43.0           19.9                9.8 +/-    0.78      21.7 +/-    0.78  0.110 / 0.140
G15     63.7           52.4               10.7 +/-    0.38      13.1 +/-    0.38  0.100 / 0.320
G16     279.7          13.0               10.8 +/-    1.45      28.1 +/-    1.45  0.120 / 0.330
G20     277.0          46.3               10.5 +/-    0.83      13.9 +/-    0.83  0.040 / 0.040
G21     355.2          70.0               11.6 +/-    0.85      12.3 +/-    0.85  0.050 / 0.040
G24     121.1          13.0               13.4 +/-    2.28      34.9 +/-    2.28  0.080 / 0.100
G27     319.6          17.0                9.3 +/-    1.32      22.0 +/-    1.32  0.100 / 0.090
G29     168.1          34.6               11.2 +/-    2.01      18.0 +/-    2.01  0.110 / 0.390