PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/12/09-03:58:10 G01 86.5 31.1 7.4 +/- 0.95 12.7 +/- 0.95 0.030 / 0.020 G07 125.8 45.2 9.1 +/- 0.70 12.2 +/- 0.70 0.030 / 0.030 G11 71.0 43.2 7.4 +/- 0.98 10.2 +/- 0.98 0.060 / 0.060 G13 292.5 37.7 3.5 +/- 4.99 5.3 +/- 4.99 0.050 / 0.040 G15 312.5 12.2 4.0 +/- 2.32 10.5 +/- 2.32 0.050 / 0.040 G17 213.3 55.1 9.1 +/- 0.55 10.8 +/- 0.55 0.040 / 0.050 G19 213.6 30.1 8.1 +/- 1.43 14.1 +/- 1.43 0.120 / 0.280 G28 331.3 60.8 5.3 +/- 0.56 6.0 +/- 0.56 0.120 / 0.190 G30 97.6 79.7 7.6 +/- 0.65 7.8 +/- 0.65 0.040 / 0.060