PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/10/13-07:42:50 G01 120.8 16.5 4.6 +/- 1.10 11.1 +/- 1.10 0.030 / 0.050 G07 77.6 66.6 5.6 +/- 0.70 6.0 +/- 0.70 0.030 / 0.040 G08 45.0 31.0 3.1 +/- 0.67 5.3 +/- 0.67 0.020 / 0.040 G09 173.6 23.3 7.3 +/- 1.98 14.7 +/- 1.98 0.020 / 0.030 G11 107.4 39.3 6.5 +/- 1.66 9.6 +/- 1.66 0.110 / 0.260 G13 318.4 18.2 3.1 +/- 1.38 7.2 +/- 1.38 0.110 / 0.250 G17 200.3 24.5 5.4 +/- 0.96 10.7 +/- 0.96 0.110 / 0.270 G18 94.3 19.9 5.7 +/- 0.93 12.5 +/- 0.93 0.110 / 0.340 G28 287.3 55.8 6.0 +/- 0.65 7.1 +/- 0.65 0.080 / 0.210 G30 340.0 65.8 4.5 +/- 0.73 4.8 +/- 0.73 0.080 / 0.200