PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/07/08-00:42:50 G10 259.4 34.7 12.5 +/- 2.10 19.9 +/- 2.10 0.300 / 0.220 G13 45.7 22.8 10.0 +/- 2.17 20.6 +/- 2.17 0.120 / 0.250 G15 68.1 53.3 12.6 +/- 0.70 15.2 +/- 0.70 0.120 / 0.100 G16 287.3 14.3 8.6 +/- 1.53 21.8 +/- 1.53 0.140 / 0.080 G20 284.0 56.2 12.2 +/- 2.56 14.4 +/- 2.56 0.040 / 0.040 G21 347.2 66.4 12.4 +/- 0.88 13.4 +/- 0.88 0.040 / 0.040 G24 127.1 9.7 -13.9 +/- 27.61 -39.0 +/- 27.61 0.130 / 0.290 G26 260.1 11.4 10.4 +/- 16.38 28.3 +/- 16.38 0.120 / 0.250 G27 321.7 12.0 5.6 +/- 20.80 14.9 +/- 20.80 0.130 / 0.230 G29 165.4 38.4 13.6 +/- 1.05 20.3 +/- 1.05 0.080 / 0.310