PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/12/10-03:13:00 G01 107.5 23.4 7.3 +/- 1.71 14.7 +/- 1.71 0.040 / 0.040 G07 101.0 60.9 5.8 +/- 1.06 6.5 +/- 1.06 0.060 / 0.040 G08 42.0 21.9 2.2 +/- 0.98 4.6 +/- 0.98 0.060 / 0.080 G09 172.3 13.0 4.3 +/- 2.68 11.2 +/- 2.68 0.100 / 0.090 G11 98.5 45.0 6.2 +/- 0.52 8.4 +/- 0.52 0.030 / 0.050 G13 311.2 28.1 4.0 +/- 1.25 7.2 +/- 1.25 0.040 / 0.050 G17 203.3 35.1 8.9 +/- 1.81 14.1 +/- 1.81 0.070 / 0.180 G19 207.0 12.3 2.4 +/- 9.92 6.4 +/- 9.92 0.070 / 0.190 G28 296.2 55.6 4.9 +/- 0.85 5.8 +/- 0.85 0.060 / 0.060 G30 354.7 74.2 6.5 +/- 0.65 6.7 +/- 0.65 0.040 / 0.070