PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/10/19-01:42:40 G03 233.9 66.9 4.6 +/- 0.64 4.9 +/- 0.64 0.070 / 0.060 G07 250.0 10.3 -6.3 +/- 16.17 -17.5 +/- 16.17 0.060 / 0.060 G09 305.8 22.6 3.1 +/- 2.48 6.4 +/- 2.48 0.050 / 0.050 G14 100.5 15.5 4.7 +/- 1.18 11.6 +/- 1.18 0.050 / 0.050 G16 116.2 60.3 6.2 +/- 0.75 7.1 +/- 0.75 0.100 / 0.350 G22 196.4 53.1 7.4 +/- 1.03 9.0 +/- 1.03 0.090 / 0.330 G23 322.3 52.2 6.6 +/- 1.00 8.1 +/- 1.00 0.150 / 0.270 G26 64.4 49.4 3.4 +/- 0.43 4.4 +/- 0.43 0.090 / 0.400 G31 54.3 16.1 2.8 +/- 1.69 6.8 +/- 1.69 0.030 / 0.040