PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/06/06-16:57:40 G01 110.0 24.0 11.0 +/- 1.59 22.1 +/- 1.59 0.050 / 0.120 G07 101.8 60.7 13.0 +/- 1.45 14.6 +/- 1.45 0.050 / 0.140 G08 42.5 24.1 10.3 +/- 1.39 20.5 +/- 1.39 0.030 / 0.040 G09 175.2 16.0 14.1 +/- 1.97 34.2 +/- 1.97 0.040 / 0.040 G11 93.7 42.7 13.2 +/- 0.61 18.4 +/- 0.61 0.070 / 0.110 G13 311.8 26.7 12.7 +/- 1.13 23.8 +/- 1.13 0.080 / 0.090 G17 205.3 32.8 13.0 +/- 1.33 21.4 +/- 1.33 0.030 / 0.030 G18 83.8 23.8 10.5 +/- 0.95 21.0 +/- 0.95 0.040 / 0.030 G28 312.2 60.4 12.2 +/- 0.85 13.8 +/- 0.85 0.040 / 0.060 G30 12.8 76.5 13.1 +/- 0.66 13.4 +/- 0.66 0.040 / 0.050