PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/11/28-04:58:10 G01 110.9 23.2 7.0 +/- 1.58 14.3 +/- 1.58 0.060 / 0.200 G07 101.9 59.3 6.6 +/- 0.53 7.5 +/- 0.53 0.070 / 0.190 G08 41.9 21.3 2.5 +/- 0.95 5.3 +/- 0.95 0.030 / 0.030 G09 173.7 15.0 4.8 +/- 2.52 11.9 +/- 2.52 0.030 / 0.030 G11 92.1 42.3 6.5 +/- 0.56 9.1 +/- 0.56 0.040 / 0.030 G13 312.3 26.5 3.4 +/- 1.92 6.4 +/- 1.92 0.030 / 0.040 G17 203.1 36.3 6.9 +/- 1.01 10.6 +/- 1.01 0.040 / 0.060 G28 306.2 59.3 4.3 +/- 0.51 4.9 +/- 0.51 0.040 / 0.080 G30 1.8 74.9 4.8 +/- 0.75 4.9 +/- 0.75 0.050 / 0.060