PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/03/24-00:27:40 G01 42.4 18.1 9.1 +/- 2.95 21.0 +/- 2.95 0.160 / 0.180 G06 176.1 36.2 10.6 +/- 0.83 16.5 +/- 0.83 0.140 / 0.320 G13 240.2 23.5 10.5 +/- 2.03 21.3 +/- 2.03 0.030 / 0.030 G15 272.5 13.2 9.9 +/- 1.43 25.7 +/- 1.43 0.020 / 0.030 G17 345.3 73.6 9.1 +/- 0.43 9.4 +/- 0.43 0.040 / 0.040 G19 270.7 67.7 9.2 +/- 0.55 9.8 +/- 0.55 0.030 / 0.030 G24 317.4 17.0 8.4 +/- 3.00 19.8 +/- 3.00 0.040 / 0.050 G28 69.2 47.6 9.4 +/- 1.33 12.2 +/- 1.33 0.040 / 0.060 G30 153.2 27.3 11.4 +/- 1.52 21.1 +/- 1.52 0.060 / 0.090