PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/10/02-11:27:40 G01 40.0 14.7 4.0 +/- 1.79 9.9 +/- 1.79 0.060 / 0.120 G06 173.4 42.3 5.3 +/- 1.27 7.4 +/- 1.27 0.060 / 0.120 G13 235.4 20.6 6.1 +/- 1.92 13.2 +/- 1.92 0.050 / 0.040 G15 273.3 10.9 4.3 +/- 3.34 11.7 +/- 3.34 0.050 / 0.040 G17 10.1 67.4 4.2 +/- 0.76 4.5 +/- 0.76 0.070 / 0.210 G19 274.9 66.7 4.2 +/- 0.80 4.5 +/- 0.80 0.070 / 0.220 G24 314.6 23.6 2.5 +/- 1.82 5.0 +/- 1.82 0.150 / 0.250 G28 73.5 46.6 3.5 +/- 1.26 4.7 +/- 1.26 0.170 / 0.210 G30 155.7 26.9 5.4 +/- 0.89 10.0 +/- 0.89 0.050 / 0.060