PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/08/27-02:57:40 G01 271.3 42.4 6.4 +/- 0.95 8.9 +/- 0.95 0.040 / 0.090 G03 315.5 27.4 3.2 +/- 1.04 6.0 +/- 1.04 0.050 / 0.080 G10 128.4 16.8 6.5 +/- 1.25 15.5 +/- 1.25 0.040 / 0.070 G11 253.3 20.1 7.8 +/- 1.57 17.1 +/- 1.57 0.040 / 0.060 G14 38.7 52.6 5.9 +/- 1.00 7.2 +/- 1.00 0.040 / 0.060 G18 235.0 40.2 7.8 +/- 1.62 11.2 +/- 1.62 0.040 / 0.060 G22 314.4 48.7 6.7 +/- 0.72 8.5 +/- 0.72 0.130 / 0.220 G25 55.4 17.4 4.1 +/- 1.25 9.6 +/- 1.25 0.110 / 0.270 G31 59.5 73.7 7.2 +/- 0.45 7.5 +/- 0.45 0.130 / 0.160 G32 62.1 33.8 5.5 +/- 0.39 8.9 +/- 0.39 0.160 / 0.130