PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/07/02-03:43:00 G08 316.9 14.3 6.4 +/- 1.49 16.1 +/- 1.49 0.030 / 0.050 G10 316.0 57.0 7.7 +/- 0.67 9.0 +/- 0.67 0.040 / 0.050 G14 214.4 19.8 13.2 +/- 2.19 29.2 +/- 2.19 0.060 / 0.080 G15 45.8 19.4 5.3 +/- 0.74 11.9 +/- 0.74 0.070 / 0.080 G20 4.8 64.9 6.8 +/- 0.50 7.4 +/- 0.50 0.190 / 0.470 G21 123.0 66.1 10.6 +/- 0.75 11.5 +/- 0.75 0.140 / 0.370 G24 83.2 29.4 7.6 +/- 1.14 13.5 +/- 1.14 0.030 / 0.040 G27 286.3 37.5 7.8 +/- 1.00 11.8 +/- 1.00 0.030 / 0.040 G32 216.5 45.6 12.6 +/- 0.85 16.9 +/- 0.85 0.060 / 0.130