PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/31-22:58:10
G10     292.1          50.1               11.0 +/-    3.01      13.8 +/-    3.01  0.060 / 0.100
G15     47.7           35.4                9.3 +/-    0.85      14.6 +/-    0.85  0.060 / 0.080
G20     284.1          37.3               21.0 +/-    0.63      31.9 +/-    0.63  0.040 / 0.030
G21     78.3           76.9               10.2 +/-    0.51      10.5 +/-    0.51  0.040 / 0.030
G24     99.5           24.8               12.4 +/-    1.22      24.4 +/-    1.22  0.070 / 0.110
G27     304.7          32.2                9.0 +/-    1.32      15.1 +/-    1.32  0.080 / 0.110
G29     168.8          12.2               16.6 +/-    1.86      44.2 +/-    1.86  0.050 / 0.060
G32     208.7          30.0               15.6 +/-    1.05      27.3 +/-    1.05  0.060 / 0.060