PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/09-22:57:50
G10     247.7          24.4               14.7 +/-    1.32      29.2 +/-    1.32  0.040 / 0.040
G13     56.7           31.6                9.3 +/-    1.15      15.7 +/-    1.15  0.030 / 0.050
G15     99.5           59.1               10.7 +/-    0.27      12.3 +/-    0.27  0.170 / 0.330
G16     297.5          16.1                8.7 +/-    2.18      21.0 +/-    2.18  0.130 / 0.300
G20     253.1          22.0                7.1 +/-    3.66      15.0 +/-    3.66  0.070 / 0.110
G21     328.3          57.0                9.5 +/-    0.41      11.1 +/-    0.41  0.050 / 0.100
G26     269.5          17.1               13.1 +/-    1.24      31.0 +/-    1.24  0.030 / 0.030
G29     164.3          55.1               11.0 +/-    0.42      13.1 +/-    0.42  0.030 / 0.050