PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/03/27-00:27:40 G01 39.7 14.0 8.2 +/- 3.10 20.8 +/- 3.10 0.130 / 0.300 G02 198.8 12.5 10.0 +/- 2.52 26.4 +/- 2.52 0.230 / 0.260 G06 174.8 42.2 12.2 +/- 0.76 17.2 +/- 0.76 0.030 / 0.040 G13 235.5 19.9 11.2 +/- 3.85 24.8 +/- 3.85 0.030 / 0.030 G15 267.6 11.2 10.9 +/- 1.49 29.6 +/- 1.49 0.020 / 0.030 G17 359.0 70.0 9.2 +/- 0.35 9.7 +/- 0.35 0.030 / 0.030 G19 286.9 70.1 8.7 +/- 0.69 9.2 +/- 0.69 0.060 / 0.070 G24 315.6 21.5 7.7 +/- 3.21 16.3 +/- 3.21 0.060 / 0.070 G28 76.3 44.8 9.3 +/- 0.94 12.6 +/- 0.94 0.170 / 0.270 G30 154.6 22.0 11.7 +/- 1.85 24.5 +/- 1.85 0.120 / 0.510