PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/09-01:57:50
G10     268.6          39.1               10.5 +/-    1.24      15.5 +/-    1.24  0.410 / 0.610
G13     41.3           17.2                8.2 +/-    1.12      19.3 +/-    1.12  0.250 / 0.380
G15     59.0           49.5                9.3 +/-    0.73      11.8 +/-    0.73  0.140 / 0.200
G16     276.4          11.7                8.1 +/-    4.08      21.8 +/-    4.08  0.110 / 0.250
G20     286.6          53.0                9.3 +/-    0.66      11.3 +/-    0.66  0.060 / 0.040
G21     3.7            72.4               10.9 +/-    0.69      11.3 +/-    0.69  0.040 / 0.030
G24     118.2          15.1               11.4 +/-    1.95      28.2 +/-    1.95  0.100 / 0.210
G27     318.0          19.9                7.1 +/-    2.04      15.7 +/-    2.04  0.210 / 0.220
G29     168.5          30.6               10.2 +/-    1.12      17.6 +/-    1.12  0.120 / 0.220
G32     204.1          12.0                5.5 +/-   31.45      14.6 +/-   31.45  0.150 / 0.250