PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/06/22-02:43:00 G10 288.3 49.3 11.0 +/- 0.92 14.0 +/- 0.92 0.040 / 0.040 G15 47.6 33.6 6.4 +/- 0.75 10.4 +/- 0.75 0.040 / 0.040 G20 334.6 65.0 8.8 +/- 0.49 9.6 +/- 0.49 0.100 / 0.100 G21 66.5 76.9 9.8 +/- 0.54 10.1 +/- 0.54 0.060 / 0.120 G24 105.4 23.4 8.2 +/- 1.98 16.6 +/- 1.98 0.050 / 0.040 G27 308.5 30.0 8.7 +/- 3.08 15.3 +/- 3.08 0.060 / 0.050 G29 167.3 13.0 8.8 +/- 1.40 22.9 +/- 1.40 0.040 / 0.080 G32 208.1 22.8 13.4 +/- 1.92 27.6 +/- 1.92 0.040 / 0.080