PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/11/12-05:57:40 G01 82.1 31.9 9.0 +/- 0.57 15.2 +/- 0.57 0.090 / 0.200 G07 129.2 41.1 12.4 +/- 0.95 17.7 +/- 0.95 0.090 / 0.200 G11 65.5 40.8 6.8 +/- 0.50 9.8 +/- 0.50 0.030 / 0.030 G13 287.7 38.5 6.5 +/- 2.10 9.8 +/- 2.10 0.030 / 0.030 G15 310.3 13.1 3.3 +/- 1.06 8.5 +/- 1.06 0.070 / 0.120 G17 216.8 58.3 12.6 +/- 0.73 14.5 +/- 0.73 0.090 / 0.110 G19 215.7 33.8 11.5 +/- 1.98 18.7 +/- 1.98 0.040 / 0.080 G28 340.2 61.3 5.4 +/- 0.91 6.1 +/- 0.91 0.050 / 0.090 G30 114.5 76.2 8.9 +/- 0.40 9.2 +/- 0.40 0.050 / 0.070