PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/06/23-03:28:00 G08 315.7 15.2 3.5 +/- 2.98 8.7 +/- 2.98 0.040 / 0.040 G10 323.9 58.9 6.6 +/- 1.06 7.6 +/- 1.06 0.050 / 0.050 G14 214.9 25.3 9.3 +/- 5.25 18.0 +/- 5.25 0.060 / 0.070 G15 46.1 14.2 3.7 +/- 1.33 9.3 +/- 1.33 0.090 / 0.080 G20 26.1 62.4 5.7 +/- 0.53 6.3 +/- 0.53 0.030 / 0.040 G21 127.7 62.6 7.9 +/- 0.43 8.8 +/- 0.43 0.030 / 0.060 G24 80.8 30.0 5.5 +/- 0.47 9.6 +/- 0.47 0.090 / 0.250 G27 283.5 37.7 6.5 +/- 0.88 9.9 +/- 0.88 0.090 / 0.270 G32 218.4 44.5 9.7 +/- 0.80 13.1 +/- 0.80 0.220 / 0.480