PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/08/14-14:28:10 G01 45.0 21.2 5.5 +/- 0.89 11.7 +/- 0.89 0.060 / 0.080 G06 174.5 33.8 9.4 +/- 1.05 15.3 +/- 1.05 0.050 / 0.090 G13 243.3 26.4 10.3 +/- 1.08 19.5 +/- 1.08 0.130 / 0.390 G15 280.6 13.5 7.3 +/- 0.87 18.7 +/- 0.87 0.200 / 0.450 G17 349.0 74.8 7.7 +/- 0.62 8.0 +/- 0.62 0.070 / 0.190 G19 255.8 61.7 7.1 +/- 0.80 7.9 +/- 0.80 0.080 / 0.180 G24 317.8 15.2 4.0 +/- 1.50 10.0 +/- 1.50 0.080 / 0.100 G28 62.1 50.1 7.6 +/- 0.71 9.6 +/- 0.71 0.100 / 0.100 G30 153.0 35.9 8.6 +/- 0.80 13.4 +/- 0.80 0.080 / 0.180