PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/11/25-00:12:40 G01 230.6 21.1 10.2 +/- 2.27 21.9 +/- 2.27 0.040 / 0.030 G03 299.8 62.9 6.8 +/- 0.50 7.5 +/- 0.50 0.030 / 0.030 G14 81.9 27.1 4.4 +/- 1.06 8.2 +/- 1.06 0.310 / 0.210 G16 156.6 36.7 9.6 +/- 1.29 14.7 +/- 1.29 0.250 / 0.310 G22 238.1 74.5 7.8 +/- 0.38 8.1 +/- 0.38 0.070 / 0.080 G23 302.4 32.3 7.8 +/- 2.08 13.0 +/- 2.08 0.060 / 0.080 G26 113.1 52.8 7.8 +/- 0.81 9.5 +/- 0.81 0.040 / 0.060 G31 42.1 40.2 5.3 +/- 1.09 7.7 +/- 1.09 0.050 / 0.060 G32 94.5 10.9 6.5 +/- 2.41 17.9 +/- 2.41 0.080 / 0.160