PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/08/10-14:43:00 G01 45.8 21.9 6.1 +/- 2.12 12.8 +/- 2.12 0.080 / 0.070 G06 174.8 32.6 10.3 +/- 1.50 17.0 +/- 1.50 0.060 / 0.060 G13 244.4 27.1 10.2 +/- 2.14 19.0 +/- 2.14 0.130 / 0.240 G15 281.5 13.8 7.1 +/- 1.43 18.1 +/- 1.43 0.150 / 0.340 G17 344.8 75.6 8.9 +/- 0.37 9.2 +/- 0.37 0.140 / 0.240 G19 253.9 61.0 9.8 +/- 1.06 11.1 +/- 1.06 0.150 / 0.140 G24 318.1 14.3 4.4 +/- 1.19 11.2 +/- 1.19 0.080 / 0.180 G28 60.6 50.6 7.3 +/- 0.72 9.2 +/- 0.72 0.150 / 0.160 G30 152.6 36.9 8.7 +/- 1.06 13.3 +/- 1.06 0.090 / 0.100