PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/07/14-05:12:50 G01 318.7 18.8 7.8 +/- 2.06 17.7 +/- 2.06 0.150 / 0.270 G08 256.5 12.6 8.8 +/- 1.39 23.1 +/- 1.39 0.140 / 0.270 G10 81.5 52.5 5.5 +/- 0.73 6.7 +/- 0.73 0.040 / 0.070 G11 302.0 23.6 8.0 +/- 1.33 16.2 +/- 1.33 0.040 / 0.050 G14 293.7 69.4 7.2 +/- 0.71 7.7 +/- 0.71 0.040 / 0.050 G18 303.7 40.9 7.0 +/- 1.06 10.0 +/- 1.06 0.040 / 0.060 G20 101.2 40.6 5.7 +/- 1.18 8.1 +/- 1.18 0.150 / 0.210 G22 301.5 12.1 7.8 +/- 1.61 20.9 +/- 1.61 0.150 / 0.240 G31 173.6 45.2 9.8 +/- 1.76 13.2 +/- 1.76 0.090 / 0.200 G32 13.6 65.4 4.8 +/- 0.50 5.2 +/- 0.50 0.080 / 0.260