PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/11/26-05:57:50 G01 52.5 26.5 4.5 +/- 0.75 8.6 +/- 0.75 0.040 / 0.040 G06 177.7 20.3 6.6 +/- 1.54 14.5 +/- 1.54 0.050 / 0.050 G07 144.2 17.1 6.4 +/- 2.28 15.0 +/- 2.28 0.090 / 0.230 G11 46.9 22.8 3.6 +/- 0.60 7.4 +/- 0.60 0.120 / 0.260 G13 254.1 33.9 6.3 +/- 1.58 10.2 +/- 1.58 0.040 / 0.060 G15 285.7 16.9 5.0 +/- 1.45 11.9 +/- 1.45 0.040 / 0.050 G17 287.2 79.5 8.7 +/- 0.91 8.8 +/- 0.91 0.050 / 0.070 G19 239.0 58.3 7.5 +/- 1.22 8.7 +/- 1.22 0.060 / 0.060 G28 30.7 59.2 6.8 +/- 0.47 7.7 +/- 0.47 0.070 / 0.220 G30 148.5 50.4 9.7 +/- 1.05 12.1 +/- 1.05 0.080 / 0.250