PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/10/08-09:58:10 G01 40.1 15.1 3.0 +/- 2.17 7.4 +/- 2.17 0.080 / 0.120 G06 173.3 39.4 5.5 +/- 0.96 8.0 +/- 0.96 0.120 / 0.130 G13 236.4 22.8 6.3 +/- 1.76 13.1 +/- 1.76 0.150 / 0.400 G15 270.5 12.2 4.6 +/- 1.26 12.1 +/- 1.26 0.170 / 0.290 G17 357.8 71.6 5.6 +/- 0.50 5.9 +/- 0.50 0.040 / 0.080 G19 279.8 70.8 3.7 +/- 0.82 3.9 +/- 0.82 0.040 / 0.070 G24 316.9 17.5 3.4 +/- 2.86 7.9 +/- 2.86 0.030 / 0.040 G28 62.8 52.5 4.9 +/- 0.93 6.0 +/- 0.93 0.030 / 0.040 G30 155.3 30.1 6.7 +/- 1.02 11.7 +/- 1.02 0.070 / 0.090