PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/06/09-20:28:10 G02 225.9 68.7 10.5 +/- 0.50 11.2 +/- 0.50 0.120 / 0.100 G06 44.7 67.3 9.3 +/- 0.39 10.0 +/- 0.39 0.070 / 0.100 G12 319.8 41.7 8.0 +/- 1.43 11.4 +/- 1.43 0.110 / 0.510 G17 63.5 27.8 7.9 +/- 0.83 14.6 +/- 0.83 0.080 / 0.520 G19 49.3 42.8 9.7 +/- 1.39 13.5 +/- 1.39 0.040 / 0.050 G24 253.9 38.6 11.1 +/- 0.95 16.5 +/- 0.95 0.040 / 0.050 G28 126.7 11.8 12.0 +/- 3.57 32.3 +/- 3.57 0.040 / 0.100