PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/08/10-00:27:50 G10 260.4 33.2 10.4 +/- 1.91 17.1 +/- 1.91 0.100 / 0.300 G13 46.0 24.4 8.5 +/- 1.98 16.9 +/- 1.98 0.120 / 0.380 G15 69.3 54.5 9.7 +/- 0.64 11.6 +/- 0.64 0.040 / 0.040 G16 286.9 13.1 9.7 +/- 1.70 25.2 +/- 1.70 0.030 / 0.040 G18 286.2 61.1 9.2 +/- 0.86 10.4 +/- 0.86 0.160 / 0.300 G20 50.9 38.4 8.9 +/- 1.49 13.4 +/- 1.49 0.160 / 0.270 G21 349.7 68.0 9.5 +/- 0.66 10.2 +/- 0.66 0.130 / 0.130 G26 259.9 10.8 12.6 +/- 2.82 34.6 +/- 2.82 0.090 / 0.070 G27 320.3 15.4 7.9 +/- 3.09 19.5 +/- 3.09 0.120 / 0.250 G29 166.3 35.4 11.8 +/- 0.53 18.5 +/- 0.53 0.130 / 0.140