PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/02/05-23:58:10 G01 116.3 19.5 9.8 +/- 1.63 21.8 +/- 1.63 0.070 / 0.250 G07 92.7 61.7 7.9 +/- 1.52 8.9 +/- 1.52 0.070 / 0.240 G08 43.2 26.7 6.1 +/- 2.06 11.5 +/- 2.06 0.030 / 0.040 G09 176.3 23.0 7.8 +/- 2.36 16.0 +/- 2.36 0.040 / 0.030 G11 100.4 41.3 9.4 +/- 1.00 13.4 +/- 1.00 0.030 / 0.040 G13 315.9 22.3 4.2 +/- 2.76 8.8 +/- 2.76 0.030 / 0.050 G17 201.2 29.8 8.9 +/- 1.99 15.6 +/- 1.99 0.040 / 0.070 G18 86.7 21.3 7.9 +/- 0.76 16.8 +/- 0.76 0.040 / 0.060 G28 293.2 56.7 7.3 +/- 0.84 8.5 +/- 0.84 0.110 / 0.240 G30 350.7 70.9 7.8 +/- 0.76 8.2 +/- 0.76 0.150 / 0.210