PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/11/13-07:28:00 G01 40.7 16.0 3.7 +/- 2.60 8.9 +/- 2.60 0.080 / 0.110 G06 173.9 37.4 11.8 +/- 1.48 17.9 +/- 1.48 0.080 / 0.100 G13 237.7 23.9 10.8 +/- 1.59 21.7 +/- 1.59 0.180 / 0.270 G15 270.4 13.0 7.0 +/- 2.02 18.4 +/- 2.02 0.150 / 0.230 G17 358.1 72.1 6.8 +/- 0.35 7.1 +/- 0.35 0.040 / 0.070 G19 275.0 70.2 7.6 +/- 0.95 8.0 +/- 0.95 0.040 / 0.060 G24 317.3 16.3 4.3 +/- 1.57 10.3 +/- 1.57 0.040 / 0.030 G28 59.4 53.7 9.4 +/- 0.80 11.4 +/- 0.80 0.030 / 0.030 G30 155.2 32.7 10.0 +/- 1.38 16.6 +/- 1.38 0.040 / 0.030