PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/09/28-08:58:10 G01 115.1 20.6 5.8 +/- 2.08 12.6 +/- 2.08 0.030 / 0.040 G07 92.4 63.3 4.8 +/- 1.02 5.4 +/- 1.02 0.030 / 0.040 G08 42.9 25.6 3.5 +/- 0.43 6.7 +/- 0.43 0.080 / 0.160 G09 172.8 16.9 5.4 +/- 1.14 12.8 +/- 1.14 0.090 / 0.150 G11 98.9 41.5 7.0 +/- 0.82 9.9 +/- 0.82 0.030 / 0.030 G13 315.2 23.2 2.4 +/- 2.66 4.8 +/- 2.66 0.030 / 0.040 G17 202.1 30.9 6.2 +/- 1.92 10.7 +/- 1.92 0.070 / 0.160 G18 87.8 22.2 4.3 +/- 2.03 9.0 +/- 2.03 0.080 / 0.190 G28 299.3 58.4 4.8 +/- 0.78 5.5 +/- 0.78 0.120 / 0.230 G30 351.0 71.3 5.9 +/- 0.63 6.2 +/- 0.63 0.110 / 0.260