PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/09/16-01:58:00 G01 257.4 39.6 9.5 +/- 1.69 13.9 +/- 1.69 0.040 / 0.060 G03 316.7 35.9 6.0 +/- 2.22 9.4 +/- 2.22 0.040 / 0.060 G11 244.9 15.2 6.9 +/- 0.87 17.0 +/- 0.87 0.090 / 0.300 G14 49.7 47.2 4.5 +/- 0.98 5.8 +/- 0.98 0.150 / 0.340 G18 225.6 32.9 9.2 +/- 2.47 15.2 +/- 2.47 0.050 / 0.080 G22 311.4 57.7 5.2 +/- 1.11 6.1 +/- 1.11 0.050 / 0.080 G25 46.5 14.1 3.2 +/- 1.24 8.1 +/- 1.24 0.060 / 0.200 G26 142.0 32.1 -7.7 +/- 34.16 -12.9 +/- 34.16 0.090 / 0.170 G31 45.3 64.3 5.2 +/- 0.66 5.7 +/- 0.66 0.070 / 0.120 G32 70.9 27.1 5.6 +/- 1.12 10.3 +/- 1.12 0.070 / 0.140