PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/12/10-03:28:10 G01 100.0 27.0 8.4 +/- 0.70 15.7 +/- 0.70 0.030 / 0.040 G07 112.4 55.3 5.9 +/- 0.61 7.0 +/- 0.61 0.030 / 0.030 G08 41.4 15.7 2.0 +/- 1.79 5.0 +/- 1.79 0.040 / 0.080 G11 87.7 45.7 5.2 +/- 0.66 7.0 +/- 0.66 0.040 / 0.080 G13 305.3 32.6 4.9 +/- 2.08 8.2 +/- 2.08 0.030 / 0.040 G17 206.2 42.7 9.1 +/- 1.49 12.6 +/- 1.49 0.030 / 0.050 G19 209.0 19.0 6.7 +/- 1.33 15.1 +/- 1.33 0.070 / 0.120 G28 308.8 58.1 6.4 +/- 0.50 7.4 +/- 0.50 0.060 / 0.150 G30 19.6 79.6 5.5 +/- 0.62 5.6 +/- 0.62 0.040 / 0.070