PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/03/14-08:28:00 G05 48.5 16.8 1.6 +/- 0.94 3.8 +/- 0.94 0.110 / 0.150 G10 235.1 10.7 -15.6 +/- 17.41 -42.9 +/- 17.41 0.070 / 0.210 G13 78.8 36.9 7.0 +/- 0.80 10.8 +/- 0.80 0.240 / 0.660 G15 124.5 51.3 7.4 +/- 0.73 9.2 +/- 0.73 0.290 / 0.570 G16 316.1 11.4 1.3 +/- 8.78 3.4 +/- 8.78 0.050 / 0.060 G20 0.4 76.2 3.4 +/- 0.31 3.5 +/- 0.31 0.070 / 0.060 G21 312.4 46.9 4.0 +/- 0.97 5.2 +/- 0.97 0.050 / 0.040 G25 201.1 12.6 4.9 +/- 3.16 12.9 +/- 3.16 0.050 / 0.040 G26 288.7 20.7 5.0 +/- 1.54 10.8 +/- 1.54 0.130 / 0.360 G29 153.6 73.5 6.5 +/- 0.76 6.8 +/- 0.76 0.160 / 0.290