PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/06/05-14:28:00 G07 4.1 65.7 9.3 +/- 0.58 10.1 +/- 0.58 0.040 / 0.040 G08 81.1 52.5 9.8 +/- 1.06 12.1 +/- 1.06 0.030 / 0.050 G09 184.3 63.1 12.1 +/- 1.90 13.4 +/- 1.90 0.070 / 0.170 G11 137.8 21.2 11.8 +/- 1.45 25.3 +/- 1.45 0.070 / 0.160 G23 157.8 28.6 11.5 +/- 1.77 20.7 +/- 1.77 0.080 / 0.200 G27 47.0 26.0 8.3 +/- 1.10 15.9 +/- 1.10 0.070 / 0.210 G28 244.5 33.0 14.9 +/- 0.88 24.6 +/- 0.88 0.070 / 0.110 G30 313.4 45.8 8.4 +/- 0.95 11.3 +/- 0.95 0.060 / 0.140