PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/09/29-06:12:30 G07 338.1 60.1 5.3 +/- 1.20 6.0 +/- 1.20 0.070 / 0.110 G08 99.4 52.4 6.6 +/- 0.27 8.1 +/- 0.27 0.060 / 0.080 G09 185.0 71.0 5.5 +/- 0.95 5.7 +/- 0.95 0.030 / 0.040 G11 146.1 14.7 4.8 +/- 5.78 11.9 +/- 5.78 0.040 / 0.040 G23 155.7 39.0 7.4 +/- 0.49 10.9 +/- 0.49 0.080 / 0.100 G27 53.9 30.9 5.0 +/- 0.60 8.6 +/- 0.60 0.080 / 0.100 G28 236.3 23.8 6.5 +/- 2.50 13.0 +/- 2.50 0.050 / 0.080 G30 302.1 34.7 5.6 +/- 0.64 9.0 +/- 0.64 0.050 / 0.090