PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/11/12-06:27:50 G01 65.6 31.2 5.7 +/- 1.19 9.7 +/- 1.19 0.100 / 0.230 G07 138.5 28.4 11.4 +/- 1.73 20.7 +/- 1.73 0.100 / 0.230 G11 53.1 32.2 4.4 +/- 1.34 7.3 +/- 1.34 0.040 / 0.040 G13 269.5 38.3 11.5 +/- 0.87 17.1 +/- 0.87 0.040 / 0.040 G15 298.2 16.6 5.1 +/- 2.42 12.2 +/- 2.42 0.060 / 0.050 G17 236.5 71.5 10.5 +/- 1.19 11.0 +/- 1.19 0.050 / 0.090 G19 225.2 46.8 10.9 +/- 1.30 14.3 +/- 1.30 0.060 / 0.110 G28 7.6 61.2 3.4 +/- 0.64 3.8 +/- 0.64 0.060 / 0.130 G30 138.9 63.0 10.2 +/- 0.77 11.2 +/- 0.77 0.060 / 0.100