PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/06/08-20:28:10 G02 223.3 66.9 16.2 +/- 0.53 17.5 +/- 0.53 0.160 / 0.300 G06 46.6 69.2 14.3 +/- 0.56 15.2 +/- 0.56 0.150 / 0.300 G12 319.4 40.0 13.2 +/- 1.68 19.2 +/- 1.68 0.040 / 0.040 G17 61.9 28.9 14.7 +/- 1.33 26.3 +/- 1.33 0.040 / 0.030 G19 47.3 44.0 14.2 +/- 0.73 19.4 +/- 0.73 0.060 / 0.080 G24 256.2 39.3 17.3 +/- 3.05 25.4 +/- 3.05 0.060 / 0.120 G28 125.5 13.2 13.5 +/- 1.48 35.2 +/- 1.48 0.060 / 0.080