PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/10/29-05:27:50 G01 122.7 13.3 6.8 +/- 2.70 17.5 +/- 2.70 0.040 / 0.030 G07 63.4 68.6 5.6 +/- 0.86 6.0 +/- 0.86 0.040 / 0.030 G08 48.7 37.6 5.3 +/- 0.99 8.0 +/- 0.99 0.060 / 0.050 G09 175.7 31.0 6.5 +/- 1.00 11.1 +/- 1.00 0.060 / 0.050 G11 118.3 37.9 6.9 +/- 1.03 10.4 +/- 1.03 0.170 / 0.210 G13 319.8 15.3 3.0 +/- 2.71 7.3 +/- 2.71 0.180 / 0.300 G17 199.8 17.1 6.0 +/- 2.86 14.3 +/- 2.86 0.070 / 0.140 G28 271.9 48.1 6.2 +/- 2.08 8.1 +/- 2.08 0.060 / 0.100 G30 331.7 60.7 5.2 +/- 0.79 5.9 +/- 0.79 0.030 / 0.040