PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/07/06-00:42:40 G05 48.6 17.3 8.4 +/- 1.39 19.7 +/- 1.39 0.100 / 0.180 G13 77.0 36.4 9.7 +/- 0.73 15.1 +/- 0.73 0.110 / 0.120 G15 128.7 51.4 10.9 +/- 0.64 13.5 +/- 0.64 0.110 / 0.380 G16 313.9 12.8 7.9 +/- 3.38 20.8 +/- 3.38 0.190 / 0.390 G20 244.9 28.1 13.6 +/- 1.89 24.8 +/- 1.89 0.070 / 0.080 G21 311.5 45.6 9.8 +/- 1.55 13.1 +/- 1.55 0.070 / 0.080 G25 199.8 11.6 13.1 +/- 2.11 35.3 +/- 2.11 0.040 / 0.080 G26 287.0 21.0 9.5 +/- 1.28 20.3 +/- 1.28 0.070 / 0.080 G29 155.5 74.7 8.7 +/- 0.73 9.0 +/- 0.73 0.270 / 0.370