PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/11/27-03:13:00 G07 39.3 69.8 5.3 +/- 1.19 5.6 +/- 1.19 0.060 / 0.050 G08 53.8 42.2 4.2 +/- 1.04 5.8 +/- 1.04 0.040 / 0.050 G09 175.1 37.4 6.2 +/- 1.52 9.4 +/- 1.52 0.040 / 0.040 G11 126.9 33.4 6.8 +/- 0.67 11.2 +/- 0.67 0.040 / 0.050 G17 198.7 10.8 -2.9 +/- 19.16 -8.0 +/- 19.16 0.060 / 0.110 G23 160.8 12.4 5.1 +/- 1.43 13.5 +/- 1.43 0.060 / 0.120 G27 37.8 10.8 4.6 +/- 2.86 12.6 +/- 2.86 0.070 / 0.120 G28 262.1 43.1 5.7 +/- 2.48 7.9 +/- 2.48 0.070 / 0.090 G30 323.6 53.9 5.5 +/- 0.79 6.6 +/- 0.79 0.060 / 0.350