PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/06/27-05:57:40 G08 267.4 17.7 4.0 +/- 25.62 9.3 +/- 25.62 0.050 / 0.050 G10 62.9 58.0 2.0 +/- 30.64 2.3 +/- 30.64 0.050 / 0.070 G11 311.1 17.5 -2.4 +/- 12.73 -5.6 +/- 12.73 0.170 / 0.180 G14 264.6 63.9 2.7 +/- 31.24 3.0 +/- 31.24 0.170 / 0.270 G18 312.1 32.1 1.4 +/- 31.56 2.3 +/- 31.56 0.160 / 0.440 G20 94.6 39.1 3.4 +/- 30.73 5.1 +/- 30.73 0.170 / 0.470 G21 155.1 15.2 3.0 +/- 32.06 7.5 +/- 32.06 0.130 / 0.160 G27 231.1 15.2 5.6 +/- 3.11 13.9 +/- 3.11 0.140 / 0.200 G31 176.4 33.2 1.8 +/- 8.14 3.0 +/- 8.14 0.060 / 0.130 G32 348.9 73.1 2.1 +/- 29.91 2.2 +/- 29.91 0.050 / 0.120