PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/03/26-20:43:00 G01 114.2 20.8 10.9 +/- 1.08 23.6 +/- 1.08 0.030 / 0.040 G07 98.2 58.8 10.9 +/- 1.23 12.5 +/- 1.23 0.040 / 0.030 G08 42.9 25.8 8.0 +/- 2.54 15.4 +/- 2.54 0.130 / 0.200 G09 176.7 21.9 12.0 +/- 1.19 25.2 +/- 1.19 0.150 / 0.250 G11 97.9 42.0 10.1 +/- 0.76 14.2 +/- 0.76 0.120 / 0.210 G13 314.7 24.0 9.4 +/- 1.63 18.7 +/- 1.63 0.130 / 0.190 G17 202.0 31.0 13.6 +/- 1.21 23.3 +/- 1.21 0.060 / 0.060 G18 85.9 22.1 9.0 +/- 2.91 18.9 +/- 2.91 0.040 / 0.060 G28 295.5 56.9 10.2 +/- 1.23 11.9 +/- 1.23 0.030 / 0.030 G30 359.2 73.4 11.1 +/- 1.21 11.5 +/- 1.21 0.030 / 0.030