PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/05/10-02:42:50 G02 57.8 33.7 8.1 +/- 0.93 13.2 +/- 0.93 0.050 / 0.100 G05 61.3 62.1 9.4 +/- 0.32 10.5 +/- 0.32 0.070 / 0.090 G12 185.3 35.6 11.4 +/- 2.69 17.9 +/- 2.69 0.030 / 0.040 G13 130.7 13.2 10.0 +/- 3.08 26.1 +/- 3.08 0.030 / 0.040 G15 165.2 10.0 -8.6 +/- 15.81 -23.9 +/- 15.81 0.070 / 0.100 G20 216.8 16.2 16.4 +/- 3.89 39.6 +/- 3.89 0.050 / 0.100 G21 268.8 15.2 11.2 +/- 1.57 27.7 +/- 1.57 0.050 / 0.060 G25 242.8 53.8 12.4 +/- 0.96 14.9 +/- 0.96 0.050 / 0.060 G29 325.9 51.1 11.3 +/- 0.78 14.0 +/- 0.78 0.090 / 0.370