PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/09-23:27:50
G10     259.7          33.7               12.3 +/-    1.56      20.0 +/-    1.56  0.110 / 0.220
G13     45.8           23.4                7.7 +/-    1.23      15.5 +/-    1.23  0.090 / 0.190
G15     72.1           56.1                8.1 +/-    0.63       9.6 +/-    0.63  0.130 / 0.280
G16     284.2          14.5               10.1 +/-    2.45      25.5 +/-    2.45  0.120 / 0.300
G20     264.4          31.1                7.5 +/-    1.41      12.8 +/-    1.41  0.200 / 0.330
G21     346.0          66.5                5.1 +/-    0.99       5.5 +/-    0.99  0.150 / 0.330
G24     124.7          10.2              -11.1 +/-   37.67     -30.7 +/-   37.67  0.090 / 0.120
G26     257.2          11.2               12.8 +/-    2.70      34.8 +/-    2.70  0.080 / 0.140
G27     321.3          12.9                7.7 +/-    3.08      20.2 +/-    3.08  0.040 / 0.090
G29     167.4          40.0               11.9 +/-    1.72      17.4 +/-    1.72  0.060 / 0.080