PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/06/05-17:58:10 G01 80.6 33.2 10.9 +/- 0.92 17.9 +/- 0.92 0.120 / 0.270 G07 132.1 38.7 13.6 +/- 0.95 20.2 +/- 0.95 0.100 / 0.240 G11 60.6 36.2 10.8 +/- 0.93 16.8 +/- 0.93 0.040 / 0.080 G13 284.9 37.6 13.4 +/- 1.13 20.3 +/- 1.13 0.040 / 0.070 G15 310.2 12.5 11.2 +/- 1.33 29.5 +/- 1.33 0.030 / 0.050 G17 222.0 59.2 13.8 +/- 1.04 15.8 +/- 1.04 0.030 / 0.040 G18 56.1 21.8 9.1 +/- 1.08 19.1 +/- 1.08 0.030 / 0.030 G19 218.9 32.6 15.5 +/- 1.55 25.8 +/- 1.55 0.040 / 0.040 G28 4.9 60.9 11.6 +/- 0.62 13.1 +/- 0.62 0.060 / 0.120 G30 124.4 69.2 13.9 +/- 0.42 14.8 +/- 0.42 0.060 / 0.110