PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/16-00:58:00
G10     288.5          48.0                8.5 +/-    0.77      10.9 +/-    0.77  0.040 / 0.050
G15     47.8           35.0                8.6 +/-    0.73      13.6 +/-    0.73  0.040 / 0.060
G18     341.9          66.7                9.0 +/-    1.13       9.7 +/-    1.13  0.040 / 0.040
G20     67.8           20.7                7.9 +/-    1.81      17.1 +/-    1.81  0.040 / 0.040
G21     75.1           76.5               10.8 +/-    0.75      11.1 +/-    0.75  0.080 / 0.160
G24     105.0          24.0                9.4 +/-    1.26      18.7 +/-    1.26  0.070 / 0.170
G27     304.7          32.5                9.2 +/-    1.32      15.4 +/-    1.32  0.110 / 0.270
G29     167.4          10.7               11.1 +/-    2.44      30.4 +/-    2.44  0.090 / 0.330
G32     209.0          25.1               11.8 +/-    2.23      23.0 +/-    2.23  0.050 / 0.100