PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/14-00:12:50
G10     261.0          33.6               12.1 +/-    1.33      19.6 +/-    1.33  0.180 / 0.480
G13     45.7           24.0                7.5 +/-    1.96      15.1 +/-    1.96  0.140 / 0.430
G15     68.2           54.0               10.3 +/-    0.65      12.4 +/-    0.65  0.070 / 0.100
G16     286.5          13.0               10.0 +/-    1.11      26.2 +/-    1.11  0.080 / 0.090
G18     287.5          61.5               10.8 +/-    0.73      12.2 +/-    0.73  0.050 / 0.040
G20     51.3           38.0                7.6 +/-    0.37      11.4 +/-    0.37  0.040 / 0.050
G21     351.1          68.4                9.1 +/-    0.71       9.7 +/-    0.71  0.060 / 0.090
G26     259.5          10.5               11.7 +/-    2.16      32.3 +/-    2.16  0.050 / 0.090
G27     320.1          15.9                8.9 +/-    3.36      21.8 +/-    3.36  0.170 / 0.340
G29     166.3          34.6               10.8 +/-    1.20      17.2 +/-    1.20  0.140 / 0.260