PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/10/10-03:27:50 G03 224.6 63.4 5.0 +/- 1.37 5.5 +/- 1.37 0.040 / 0.050 G07 253.2 12.8 5.7 +/- 1.50 14.9 +/- 1.50 0.040 / 0.050 G09 309.7 29.5 2.8 +/- 2.61 5.0 +/- 2.61 0.300 / 0.240 G14 105.4 9.7 5.8 +/- 1.64 16.3 +/- 1.64 0.180 / 0.220 G16 107.3 62.9 5.1 +/- 0.56 5.7 +/- 0.56 0.130 / 0.270 G22 192.4 48.2 6.2 +/- 0.73 8.1 +/- 0.73 0.240 / 0.320 G23 323.9 53.9 4.0 +/- 0.48 4.9 +/- 0.48 0.030 / 0.030 G26 59.0 47.0 3.6 +/- 0.96 4.7 +/- 0.96 0.030 / 0.040 G31 56.2 14.3 1.9 +/- 1.63 4.9 +/- 1.63 0.070 / 0.140