PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/10/11-06:58:00 G01 116.8 17.9 5.7 +/- 1.95 13.1 +/- 1.95 0.030 / 0.030 G07 83.7 65.3 6.2 +/- 0.41 6.7 +/- 0.41 0.030 / 0.030 G08 45.2 32.3 3.4 +/- 0.70 5.7 +/- 0.70 0.100 / 0.350 G09 175.5 24.3 7.0 +/- 1.23 13.9 +/- 1.23 0.080 / 0.250 G11 108.7 41.5 8.3 +/- 1.33 11.8 +/- 1.33 0.060 / 0.150 G13 316.9 21.1 0.5 +/- 2.52 1.1 +/- 2.52 0.080 / 0.170 G17 201.3 23.8 5.7 +/- 0.96 11.4 +/- 0.96 0.040 / 0.060 G28 282.8 52.3 5.6 +/- 1.28 6.9 +/- 1.28 0.040 / 0.080 G30 341.8 67.4 4.5 +/- 0.61 4.8 +/- 0.61 0.020 / 0.040