PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/06/04-07:43:00 G01 306.0 34.9 6.5 +/- 1.65 10.4 +/- 1.65 0.080 / 0.140 G10 107.1 37.9 6.8 +/- 0.76 10.2 +/- 0.76 0.070 / 0.120 G11 280.1 27.7 7.0 +/- 1.60 12.8 +/- 1.60 0.050 / 0.070 G14 359.5 66.6 4.6 +/- 0.53 4.9 +/- 0.53 0.050 / 0.060 G18 273.7 50.7 12.5 +/- 1.37 15.6 +/- 1.37 0.080 / 0.100 G20 121.2 13.3 5.5 +/- 3.76 14.3 +/- 3.76 0.080 / 0.080 G22 310.8 28.4 5.6 +/- 0.76 10.1 +/- 0.76 0.040 / 0.040 G25 81.7 16.5 3.7 +/- 1.69 8.8 +/- 1.69 0.040 / 0.050 G31 163.7 66.3 6.7 +/- 0.40 7.3 +/- 0.40 0.140 / 0.190 G32 33.7 54.2 4.6 +/- 1.76 5.6 +/- 1.76 0.070 / 0.150