PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/06/07-14:57:40 G07 49.9 68.0 8.6 +/- 0.36 9.2 +/- 0.36 0.030 / 0.040 G08 56.4 44.7 8.2 +/- 1.22 11.1 +/- 1.22 0.030 / 0.040 G09 179.7 43.8 12.6 +/- 1.87 17.2 +/- 1.87 0.060 / 0.110 G11 123.6 32.7 10.0 +/- 1.41 16.5 +/- 1.41 0.080 / 0.080 G18 107.5 13.7 9.1 +/- 2.88 23.3 +/- 2.88 0.070 / 0.150 G23 159.8 11.5 8.8 +/- 1.36 23.9 +/- 1.36 0.060 / 0.130 G27 38.6 12.9 6.2 +/- 1.63 16.2 +/- 1.63 0.070 / 0.130 G28 262.8 45.1 8.9 +/- 1.36 12.0 +/- 1.36 0.110 / 0.130 G30 330.7 58.9 7.7 +/- 0.56 8.8 +/- 0.56 0.160 / 0.410