PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/10/09-05:43:10 G07 347.0 62.7 5.8 +/- 0.53 6.5 +/- 0.53 0.060 / 0.100 G08 88.7 53.0 6.6 +/- 0.91 8.0 +/- 0.91 0.090 / 0.080 G09 180.8 64.6 6.5 +/- 0.80 7.1 +/- 0.80 0.070 / 0.140 G11 142.8 18.2 5.8 +/- 0.94 13.3 +/- 0.94 0.070 / 0.150 G23 157.4 33.7 7.0 +/- 1.33 11.4 +/- 1.33 0.040 / 0.040 G27 49.2 27.7 3.4 +/- 1.73 6.2 +/- 1.73 0.030 / 0.040 G28 240.4 27.9 7.0 +/- 1.03 12.9 +/- 1.03 0.030 / 0.030 G30 306.1 38.1 5.2 +/- 1.70 7.8 +/- 1.70 0.040 / 0.040