PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/11/30-06:57:40 G02 199.8 24.8 7.1 +/- 3.14 13.9 +/- 3.14 0.240 / 0.410 G06 168.0 56.8 8.5 +/- 0.64 10.0 +/- 0.64 0.220 / 0.450 G13 223.9 11.8 4.6 +/- 3.34 12.4 +/- 3.34 0.060 / 0.070 G17 25.4 57.4 6.4 +/- 1.04 7.5 +/- 1.04 0.050 / 0.070 G19 338.0 70.6 5.4 +/- 0.35 5.7 +/- 0.35 0.040 / 0.030 G24 308.7 30.1 5.5 +/- 1.47 9.5 +/- 1.47 0.040 / 0.040 G28 84.3 45.4 7.1 +/- 1.61 9.5 +/- 1.61 0.040 / 0.030 G30 158.7 15.5 7.2 +/- 2.10 17.6 +/- 2.10 0.030 / 0.030