PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/10/26-08:43:00 G01 64.2 31.8 3.3 +/- 0.78 5.6 +/- 0.78 0.050 / 0.050 G07 140.3 24.6 4.6 +/- 1.71 9.0 +/- 1.71 0.040 / 0.040 G11 49.3 25.4 3.5 +/- 1.08 6.8 +/- 1.08 0.040 / 0.160 G13 266.8 36.7 6.5 +/- 1.79 10.0 +/- 1.79 0.060 / 0.180 G15 300.5 14.5 1.2 +/- 3.17 3.1 +/- 3.17 0.050 / 0.090 G17 249.8 76.2 6.0 +/- 0.65 6.1 +/- 0.65 0.060 / 0.080 G18 43.4 13.6 1.2 +/- 0.97 3.1 +/- 0.97 0.090 / 0.110 G19 228.2 43.6 7.3 +/- 1.04 10.0 +/- 1.04 0.070 / 0.090 G28 26.9 58.5 2.4 +/- 0.42 2.8 +/- 0.42 0.090 / 0.220 G30 141.2 58.0 4.8 +/- 1.14 5.5 +/- 1.14 0.090 / 0.230