PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/06/10-18:42:50 G01 48.9 24.7 10.6 +/- 0.72 20.8 +/- 0.72 0.050 / 0.060 G06 176.5 27.6 16.6 +/- 1.37 30.6 +/- 1.37 0.050 / 0.060 G07 146.8 11.4 15.5 +/- 4.29 41.9 +/- 4.29 0.200 / 0.230 G11 44.4 14.1 9.3 +/- 0.92 23.7 +/- 0.92 0.130 / 0.200 G13 249.0 29.6 12.9 +/- 0.95 22.8 +/- 0.95 0.100 / 0.320 G15 283.5 15.1 11.8 +/- 1.83 29.3 +/- 1.83 0.140 / 0.240 G17 311.8 77.9 14.1 +/- 1.08 14.4 +/- 1.08 0.030 / 0.040 G19 247.8 59.0 16.2 +/- 0.63 18.6 +/- 0.63 0.040 / 0.030 G28 54.8 52.3 11.6 +/- 0.68 14.3 +/- 0.68 0.040 / 0.070 G30 150.4 39.7 15.8 +/- 0.84 23.1 +/- 0.84 0.040 / 0.080