PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/03/06-00:12:40 G01 81.9 33.1 6.7 +/- 0.92 11.1 +/- 0.92 0.050 / 0.040 G07 131.3 39.8 9.5 +/- 1.16 13.9 +/- 1.16 0.050 / 0.040 G11 64.0 38.6 6.6 +/- 0.80 9.8 +/- 0.80 0.050 / 0.080 G13 287.0 37.1 5.6 +/- 0.87 8.6 +/- 0.87 0.050 / 0.090 G15 309.7 13.2 6.3 +/- 3.95 16.3 +/- 3.95 0.080 / 0.040 G17 220.9 57.9 8.4 +/- 1.77 9.8 +/- 1.77 0.070 / 0.080 G19 218.2 33.5 8.7 +/- 1.03 14.2 +/- 1.03 0.050 / 0.070 G28 3.8 60.9 6.0 +/- 0.78 6.7 +/- 0.78 0.050 / 0.070 G30 123.6 66.6 9.3 +/- 0.61 10.0 +/- 0.61 0.040 / 0.080