PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/08/01-22:57:50 G05 49.3 15.8 5.4 +/- 1.11 13.2 +/- 1.11 0.100 / 0.200 G10 237.1 13.5 13.8 +/- 3.50 35.7 +/- 3.50 0.240 / 0.260 G13 73.8 36.2 9.7 +/- 0.55 15.0 +/- 0.55 0.130 / 0.300 G15 126.9 52.9 12.6 +/- 1.59 15.3 +/- 1.59 0.130 / 0.320 G16 311.6 13.8 8.3 +/- 2.94 21.2 +/- 2.94 0.170 / 0.380 G20 243.5 15.7 14.4 +/- 2.75 35.3 +/- 2.75 0.150 / 0.320 G21 313.6 47.1 7.0 +/- 2.73 9.2 +/- 2.73 0.040 / 0.070 G26 284.4 20.8 9.8 +/- 2.94 21.2 +/- 2.94 0.050 / 0.070 G29 157.4 72.1 10.5 +/- 1.14 11.0 +/- 1.14 0.030 / 0.050