PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/06/08-16:12:50 G01 98.7 28.6 9.1 +/- 1.44 16.5 +/- 1.44 0.030 / 0.040 G07 118.5 47.2 10.0 +/- 0.48 13.1 +/- 0.48 0.030 / 0.070 G08 41.7 15.2 7.9 +/- 1.05 19.5 +/- 1.05 0.040 / 0.060 G11 77.8 42.6 9.3 +/- 0.62 13.0 +/- 0.62 0.050 / 0.060 G13 302.7 33.7 11.8 +/- 1.50 19.1 +/- 1.50 0.050 / 0.100 G17 208.6 44.0 12.6 +/- 1.19 17.2 +/- 1.19 0.040 / 0.080 G18 70.9 24.3 7.1 +/- 3.58 14.1 +/- 3.58 0.070 / 0.120 G19 210.5 20.4 2.5 +/- 14.39 5.4 +/- 14.39 0.070 / 0.160 G28 321.2 60.4 8.8 +/- 0.74 9.9 +/- 0.74 0.040 / 0.080 G30 81.2 77.6 10.5 +/- 0.69 10.7 +/- 0.69 0.040 / 0.060