PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/10/03-17:43:10 G02 59.0 33.3 14.1 +/- 0.63 23.1 +/- 0.63 0.100 / 0.080 G05 63.4 65.4 13.8 +/- 0.85 15.1 +/- 0.85 0.100 / 0.090 G12 185.9 33.9 16.9 +/- 1.55 27.3 +/- 1.55 0.090 / 0.260 G13 130.5 14.5 19.3 +/- 2.57 48.7 +/- 2.57 0.100 / 0.240 G15 164.1 11.3 14.1 +/- 34.53 38.3 +/- 34.53 0.040 / 0.070 G20 207.3 59.1 16.6 +/- 0.73 19.0 +/- 0.73 0.040 / 0.070 G21 271.0 18.4 14.7 +/- 1.06 33.5 +/- 1.06 0.030 / 0.040 G25 234.0 52.0 14.3 +/- 0.85 17.6 +/- 0.85 0.030 / 0.040 G29 331.8 58.2 13.3 +/- 0.57 15.3 +/- 0.57 0.150 / 0.420