PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/11/19-04:42:50 G01 106.0 24.4 5.6 +/- 1.06 11.2 +/- 1.06 0.040 / 0.030 G07 104.6 59.1 5.8 +/- 0.78 6.7 +/- 0.78 0.030 / 0.030 G08 41.9 21.1 2.5 +/- 0.67 5.3 +/- 0.67 0.080 / 0.150 G09 172.7 12.3 4.4 +/- 1.30 11.6 +/- 1.30 0.080 / 0.140 G11 94.8 45.0 5.9 +/- 0.76 7.9 +/- 0.76 0.060 / 0.090 G13 309.9 29.2 4.5 +/- 1.71 8.0 +/- 1.71 0.050 / 0.070 G17 204.1 36.5 6.5 +/- 2.04 10.0 +/- 2.04 0.150 / 0.280 G19 207.4 14.0 6.1 +/- 2.00 15.5 +/- 2.00 0.170 / 0.300 G28 299.9 56.5 3.4 +/- 0.81 4.0 +/- 0.81 0.040 / 0.060 G30 1.2 76.0 5.5 +/- 0.32 5.6 +/- 0.32 0.040 / 0.060