PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/03-23:28:00
G10     249.7          26.1               13.3 +/-    0.91      25.3 +/-    0.91  0.130 / 0.730
G13     54.4           30.3                8.0 +/-    1.33      13.9 +/-    1.33  0.130 / 0.690
G15     93.7           59.1                9.5 +/-    0.41      10.8 +/-    0.41  0.130 / 0.130
G16     295.1          16.0                7.6 +/-    2.27      18.5 +/-    2.27  0.080 / 0.140
G20     256.1          26.8               12.0 +/-    0.70      22.6 +/-    0.70  0.040 / 0.060
G21     331.1          58.7                8.3 +/-    0.88       9.5 +/-    0.88  0.060 / 0.050
G26     267.2          16.1               11.7 +/-    1.37      28.2 +/-    1.37  0.030 / 0.060
G29     165.0          52.3                9.7 +/-    0.70      11.9 +/-    0.70  0.030 / 0.060