PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/06/02-19:28:00 G01 44.9 21.1 10.5 +/- 0.99 22.4 +/- 0.99 0.090 / 0.190 G06 175.4 33.2 17.7 +/- 0.86 29.0 +/- 0.86 0.080 / 0.200 G13 243.6 26.3 15.2 +/- 1.93 28.8 +/- 1.93 0.140 / 0.330 G15 278.0 14.0 11.6 +/- 1.26 29.4 +/- 1.26 0.150 / 0.330 G17 334.7 75.8 13.3 +/- 0.59 13.7 +/- 0.59 0.020 / 0.040 G19 258.2 63.4 12.9 +/- 0.53 14.2 +/- 0.53 0.030 / 0.030 G24 318.1 14.3 10.5 +/- 1.86 26.6 +/- 1.86 0.060 / 0.110 G28 62.9 49.9 13.3 +/- 1.13 16.9 +/- 1.13 0.060 / 0.090 G30 152.5 33.9 16.1 +/- 1.27 26.1 +/- 1.27 0.050 / 0.070