PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/11/13-06:27:40 G01 63.4 30.7 5.7 +/- 1.14 9.9 +/- 1.14 0.080 / 0.170 G06 180.3 10.8 -10.0 +/- 34.74 -27.5 +/- 34.74 0.090 / 0.210 G07 139.5 26.7 9.5 +/- 1.35 17.8 +/- 1.35 0.030 / 0.050 G11 51.8 30.8 5.7 +/- 0.65 9.9 +/- 0.65 0.030 / 0.040 G13 267.1 37.9 9.3 +/- 1.86 14.0 +/- 1.86 0.060 / 0.110 G15 296.4 16.8 3.5 +/- 1.87 8.2 +/- 1.87 0.060 / 0.140 G17 241.0 73.2 10.0 +/- 0.61 10.4 +/- 0.61 0.040 / 0.050 G19 226.9 48.6 13.9 +/- 1.54 17.8 +/- 1.54 0.050 / 0.080 G28 11.2 61.0 5.4 +/- 0.57 6.1 +/- 0.57 0.040 / 0.060 G30 140.8 61.1 11.1 +/- 0.95 12.5 +/- 0.95 0.050 / 0.060