PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/19-00:12:50
G10     270.6          39.5               11.6 +/-    1.15      17.0 +/-    1.15  0.150 / 0.210
G13     41.0           17.1               10.6 +/-    1.77      25.1 +/-    1.77  0.180 / 0.330
G15     56.8           47.5               12.5 +/-    0.60      16.2 +/-    0.60  0.040 / 0.030
G18     306.9          65.0               11.6 +/-    0.83      12.7 +/-    0.83  0.040 / 0.030
G20     57.5           31.1                9.7 +/-    1.29      16.5 +/-    1.29  0.160 / 0.330
G21     13.7           74.1               12.1 +/-    0.67      12.5 +/-    0.67  0.140 / 0.230
G24     118.6          15.9               13.3 +/-    1.29      32.4 +/-    1.29  0.050 / 0.070
G27     315.9          23.0               10.3 +/-    1.22      21.2 +/-    1.22  0.060 / 0.070
G29     167.3          24.9               14.0 +/-    2.18      27.4 +/-    2.18  0.090 / 0.140
G32     205.5          11.2               -4.8 +/-   41.69     -12.9 +/-   41.69  0.100 / 0.150