PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/06/10-19:12:40 G01 40.5 15.4 10.2 +/- 1.28 25.1 +/- 1.28 0.060 / 0.130 G06 173.4 41.8 17.9 +/- 1.15 25.3 +/- 1.15 0.060 / 0.160 G13 236.5 21.1 15.3 +/- 1.39 32.7 +/- 1.39 0.150 / 0.270 G15 270.9 11.6 13.4 +/- 1.46 36.1 +/- 1.46 0.100 / 0.230 G17 359.3 70.5 13.5 +/- 0.96 14.3 +/- 0.96 0.100 / 0.380 G19 277.3 68.0 13.7 +/- 0.40 14.6 +/- 0.40 0.120 / 0.300 G24 315.8 21.0 11.6 +/- 2.94 24.9 +/- 2.94 0.030 / 0.050 G28 73.6 46.1 12.0 +/- 1.10 16.0 +/- 1.10 0.030 / 0.040 G30 155.0 26.0 16.6 +/- 1.76 31.7 +/- 1.76 0.050 / 0.070