PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/07/26-01:12:40
G10     253.6          28.2               12.3 +/-    1.77      22.4 +/-    1.77  0.090 / 0.140
G13     51.4           29.2                9.0 +/-    0.98      16.1 +/-    0.98  0.080 / 0.110
G15     83.7           58.1               12.5 +/-    0.60      14.4 +/-    0.60  0.040 / 0.050
G16     293.6          14.4                8.4 +/-    1.61      21.2 +/-    1.61  0.040 / 0.050
G18     273.1          56.8               11.7 +/-    1.17      13.7 +/-    1.17  0.030 / 0.070
G20     46.1           44.1                9.0 +/-    1.47      12.3 +/-    1.47  0.050 / 0.060
G21     337.6          62.6               10.0 +/-    0.60      11.1 +/-    0.60  0.160 / 0.280
G26     266.0          14.1               11.2 +/-    1.19      28.6 +/-    1.19  0.120 / 0.230
G29     165.2          44.0               13.0 +/-    0.74      17.8 +/-    0.74  0.040 / 0.080