PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/05/10-20:57:40 G01 46.2 22.3 10.4 +/- 22.93 21.6 +/- 22.93 0.060 / 0.140 G06 176.2 30.9 15.5 +/- 30.87 26.7 +/- 30.87 0.050 / 0.130 G11 44.0 11.7 9.0 +/- 3.15 24.3 +/- 3.15 0.190 / 0.580 G13 245.5 27.4 15.1 +/- 31.11 28.0 +/- 31.11 0.200 / 0.570 G15 279.1 14.6 7.0 +/- 16.19 17.5 +/- 16.19 0.090 / 0.280 G17 321.6 76.7 11.7 +/- 2.64 12.0 +/- 2.64 0.110 / 0.210 G19 255.1 62.6 11.0 +/- 32.07 12.2 +/- 32.07 0.040 / 0.060 G24 318.5 12.5 6.6 +/- 13.38 17.3 +/- 13.38 0.040 / 0.070 G28 60.4 50.6 11.6 +/- 2.15 14.5 +/- 2.15 0.190 / 0.280 G30 151.6 35.1 12.9 +/- 31.49 20.5 +/- 31.49 0.160 / 0.270