PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/06/08-17:42:50 G01 51.7 26.4 9.5 +/- 2.17 18.0 +/- 2.17 0.040 / 0.050 G06 178.4 21.5 12.3 +/- 1.99 26.1 +/- 1.99 0.050 / 0.050 G07 144.4 10.3 11.6 +/- 3.68 32.1 +/- 3.68 0.160 / 0.270 G11 45.0 17.1 9.3 +/- 2.08 22.0 +/- 2.08 0.290 / 0.290 G13 252.2 32.5 11.6 +/- 2.57 19.3 +/- 2.57 0.150 / 0.320 G15 285.5 16.2 12.9 +/- 2.13 31.3 +/- 2.13 0.150 / 0.400 G17 292.5 78.8 12.3 +/- 0.56 12.5 +/- 0.56 0.060 / 0.140 G19 242.0 58.7 12.7 +/- 1.94 14.6 +/- 1.94 0.090 / 0.140 G28 40.4 57.0 11.8 +/- 0.59 13.8 +/- 0.59 0.030 / 0.030 G30 147.6 40.5 11.8 +/- 0.98 17.1 +/- 0.98 0.030 / 0.020