PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/11/19-03:42:30 G07 338.7 60.1 3.8 +/- 0.56 4.3 +/- 0.56 0.110 / 0.090 G08 91.5 51.3 4.7 +/- 0.68 5.8 +/- 0.68 0.150 / 0.070 G09 180.5 68.7 6.0 +/- 0.44 6.3 +/- 0.44 0.130 / 0.140 G11 143.0 15.2 6.5 +/- 3.22 16.1 +/- 3.22 0.110 / 0.150 G23 157.0 41.9 6.3 +/- 1.31 8.8 +/- 1.31 0.040 / 0.040 G27 55.1 32.3 3.0 +/- 1.18 5.0 +/- 1.18 0.040 / 0.030 G28 238.1 29.3 4.9 +/- 1.73 8.8 +/- 1.73 0.080 / 0.080 G30 302.4 34.9 3.3 +/- 0.93 5.3 +/- 0.93 0.080 / 0.110