PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/11/28-04:42:40 G01 117.5 18.9 6.7 +/- 1.39 15.1 +/- 1.39 0.250 / 0.350 G07 87.9 64.0 5.3 +/- 0.82 5.8 +/- 0.82 0.140 / 0.290 G08 43.5 27.5 1.7 +/- 2.33 3.2 +/- 2.33 0.040 / 0.030 G09 174.7 21.8 5.4 +/- 1.62 11.3 +/- 1.62 0.030 / 0.040 G11 102.1 40.7 6.2 +/- 0.74 8.9 +/- 0.74 0.030 / 0.030 G13 316.6 21.2 3.5 +/- 2.09 7.6 +/- 2.09 0.030 / 0.020 G17 201.0 28.8 6.3 +/- 2.00 11.3 +/- 2.00 0.120 / 0.120 G28 292.9 56.9 4.8 +/- 1.10 5.6 +/- 1.10 0.130 / 0.130 G30 346.0 69.1 4.8 +/- 0.69 5.1 +/- 0.69 0.050 / 0.060