PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/11/12-07:27:40 G01 41.7 17.4 3.4 +/- 0.78 8.1 +/- 0.78 0.080 / 0.190 G06 174.3 35.4 12.9 +/- 1.07 20.3 +/- 1.07 0.060 / 0.150 G13 239.3 25.1 8.2 +/- 1.31 15.9 +/- 1.31 0.070 / 0.090 G15 272.2 13.6 6.4 +/- 1.18 16.5 +/- 1.18 0.070 / 0.100 G17 353.4 73.6 7.7 +/- 1.04 8.0 +/- 1.04 0.040 / 0.040 G19 269.5 69.3 9.2 +/- 0.62 9.8 +/- 0.62 0.040 / 0.040 G24 317.8 14.8 2.5 +/- 1.08 6.2 +/- 1.08 0.160 / 0.330 G28 56.5 54.4 5.7 +/- 0.87 6.8 +/- 0.87 0.140 / 0.320 G30 154.7 34.6 13.6 +/- 0.84 21.7 +/- 0.84 0.040 / 0.060