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 3.8 +/- 2.09 9.2 +/- 2.09 0.080 / 0.250 G06 173.9 37.4 12.4 +/- 1.47 18.8 +/- 1.47 0.080 / 0.220 G13 237.7 23.9 8.6 +/- 2.35 17.3 +/- 2.35 0.060 / 0.100 G15 270.4 13.0 8.8 +/- 0.97 22.9 +/- 0.97 0.070 / 0.100 G17 358.1 72.1 8.0 +/- 0.71 8.4 +/- 0.71 0.040 / 0.040 G19 275.0 70.2 8.3 +/- 0.53 8.7 +/- 0.53 0.040 / 0.030 G24 317.3 16.3 4.2 +/- 3.95 10.2 +/- 3.95 0.030 / 0.070 G28 59.4 53.7 7.4 +/- 0.54 8.9 +/- 0.54 0.040 / 0.060 G30 155.2 32.7 12.5 +/- 0.75 20.7 +/- 0.75 0.210 / 0.340