PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/08/03-17:28:10 G02 218.5 60.1 13.6 +/- 0.52 15.5 +/- 0.52 0.050 / 0.070 G06 51.4 70.2 12.5 +/- 0.51 13.2 +/- 0.51 0.040 / 0.070 G12 320.5 42.2 10.7 +/- 1.51 15.0 +/- 1.51 0.090 / 0.390 G17 59.7 30.2 11.8 +/- 0.95 20.6 +/- 0.95 0.110 / 0.510 G19 38.4 50.2 11.4 +/- 0.73 14.4 +/- 0.73 0.050 / 0.050 G24 260.3 41.2 13.6 +/- 1.59 19.4 +/- 1.59 0.040 / 0.050 G28 124.1 12.1 12.4 +/- 2.63 33.1 +/- 2.63 0.060 / 0.110