PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/11/14-07:57:40 G02 199.7 21.6 4.9 +/- 1.36 10.4 +/- 1.36 0.180 / 0.280 G06 168.9 54.2 9.5 +/- 0.66 11.5 +/- 0.66 0.150 / 0.270 G13 225.7 13.5 5.3 +/- 10.41 13.7 +/- 10.41 0.060 / 0.070 G17 22.1 59.8 5.7 +/- 0.76 6.5 +/- 0.76 0.050 / 0.070 G19 329.8 71.5 4.8 +/- 0.39 5.1 +/- 0.39 0.040 / 0.040 G24 310.5 28.3 2.4 +/- 1.15 4.3 +/- 1.15 0.040 / 0.040 G28 81.4 46.5 5.4 +/- 1.25 7.1 +/- 1.25 0.140 / 0.380 G30 158.3 17.6 6.0 +/- 2.66 14.0 +/- 2.66 0.220 / 0.230