PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/08/10-13:28:10 G01 109.5 24.0 7.2 +/- 1.51 14.4 +/- 1.51 0.110 / 0.230 G07 104.3 57.1 7.4 +/- 0.58 8.7 +/- 0.58 0.090 / 0.240 G08 42.0 20.9 6.3 +/- 1.12 13.7 +/- 1.12 0.030 / 0.040 G09 173.8 14.3 8.4 +/- 1.64 21.3 +/- 1.64 0.030 / 0.030 G11 90.1 40.6 8.2 +/- 0.92 11.9 +/- 0.92 0.080 / 0.190 G13 313.0 25.1 7.9 +/- 1.96 15.3 +/- 1.96 0.080 / 0.190 G17 204.1 37.5 7.4 +/- 2.32 11.2 +/- 2.32 0.040 / 0.040 G19 208.1 12.1 1.6 +/- 10.87 4.2 +/- 10.87 0.030 / 0.040 G28 312.7 60.3 6.4 +/- 0.86 7.2 +/- 0.86 0.060 / 0.080 G30 4.0 75.0 7.3 +/- 0.54 7.5 +/- 0.54 0.050 / 0.100