PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/06/24-00:57:40 G10 242.9 21.3 10.2 +/- 2.34 21.7 +/- 2.34 0.050 / 0.050 G13 62.6 33.2 9.0 +/- 0.59 14.7 +/- 0.59 0.060 / 0.060 G15 104.2 56.9 11.1 +/- 0.63 13.0 +/- 0.63 0.120 / 0.150 G16 306.3 14.4 6.4 +/- 3.03 16.2 +/- 3.03 0.100 / 0.180 G20 258.4 44.3 7.8 +/- 0.84 10.6 +/- 0.84 0.110 / 0.550 G21 323.4 53.4 10.0 +/- 0.67 12.1 +/- 0.67 0.080 / 0.530 G26 278.3 18.4 7.9 +/- 1.19 18.1 +/- 1.19 0.070 / 0.140 G29 158.9 59.2 10.7 +/- 0.99 12.2 +/- 0.99 0.060 / 0.120