PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/07/09-04:58:00 G01 313.5 28.4 4.9 +/- 1.63 9.0 +/- 1.63 0.130 / 0.200 G10 96.3 44.6 6.8 +/- 1.03 9.2 +/- 1.03 0.100 / 0.350 G11 291.7 26.6 6.9 +/- 1.19 12.9 +/- 1.19 0.050 / 0.040 G14 332.1 70.5 5.9 +/- 0.78 6.3 +/- 0.78 0.060 / 0.050 G18 290.1 48.1 2.3 +/- 9.85 3.0 +/- 9.85 0.070 / 0.160 G20 114.6 20.9 5.2 +/- 1.28 11.3 +/- 1.28 0.120 / 0.100 G22 306.6 19.1 6.6 +/- 1.76 14.8 +/- 1.76 0.040 / 0.040 G25 91.8 13.1 4.6 +/- 2.09 11.9 +/- 2.09 0.050 / 0.040 G31 170.2 55.9 9.2 +/- 0.62 10.9 +/- 0.62 0.080 / 0.080 G32 23.1 60.3 6.6 +/- 0.61 7.5 +/- 0.61 0.070 / 0.080