PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/08/26-01:12:40 G08 308.9 19.6 10.9 +/- 2.44 24.3 +/- 2.44 0.020 / 0.040 G10 328.4 59.3 8.7 +/- 1.02 9.9 +/- 1.02 0.030 / 0.030 G14 217.7 31.7 11.7 +/- 2.03 19.8 +/- 2.03 0.030 / 0.050 G15 46.6 12.8 7.4 +/- 0.94 19.3 +/- 0.94 0.030 / 0.050 G18 35.7 60.3 9.7 +/- 0.35 11.0 +/- 0.35 0.250 / 0.200 G21 132.9 57.3 12.4 +/- 0.49 14.4 +/- 0.49 0.050 / 0.090 G24 76.6 30.6 10.9 +/- 0.84 18.8 +/- 0.84 0.080 / 0.200 G27 274.0 37.7 11.5 +/- 1.11 17.3 +/- 1.11 0.060 / 0.170 G32 222.8 49.5 12.7 +/- 1.01 16.1 +/- 1.01 0.060 / 0.070