PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/11/19-07:12:30 G01 38.6 12.7 0.3 +/- 5.24 0.7 +/- 5.24 0.080 / 0.160 G02 198.8 11.1 -2.0 +/- 5.28 -5.4 +/- 5.28 0.070 / 0.170 G06 172.9 41.9 7.0 +/- 0.94 9.9 +/- 0.94 0.120 / 0.380 G13 234.1 21.0 5.9 +/- 1.45 12.7 +/- 1.45 0.170 / 0.240 G15 266.3 11.4 4.6 +/- 2.23 12.5 +/- 2.23 0.040 / 0.070 G17 7.2 68.6 4.9 +/- 0.70 5.3 +/- 0.70 0.040 / 0.050 G19 289.5 71.9 4.9 +/- 0.48 5.1 +/- 0.48 0.030 / 0.030 G24 315.9 19.8 -0.5 +/- 1.92 -1.1 +/- 1.92 0.030 / 0.020 G28 65.9 52.0 4.2 +/- 1.46 5.2 +/- 1.46 0.160 / 0.400 G30 156.4 28.5 8.5 +/- 1.15 15.4 +/- 1.15 0.210 / 0.510