PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/06/22-08:43:00 G01 233.7 25.1 6.7 +/- 1.68 13.1 +/- 1.68 0.040 / 0.030 G03 306.2 61.3 3.3 +/- 0.93 3.8 +/- 0.93 0.030 / 0.030 G14 75.9 31.1 3.5 +/- 1.00 5.9 +/- 1.00 0.040 / 0.040 G16 155.0 33.0 4.5 +/- 1.24 7.4 +/- 1.24 0.040 / 0.040 G18 208.8 14.2 5.7 +/- 2.29 14.5 +/- 2.29 0.170 / 0.230 G22 252.9 75.8 5.0 +/- 0.43 5.1 +/- 0.43 0.110 / 0.200 G23 300.5 32.4 3.7 +/- 1.47 6.2 +/- 1.47 0.080 / 0.110 G26 117.9 49.8 6.1 +/- 0.59 7.7 +/- 0.59 0.090 / 0.120 G31 42.4 41.2 1.8 +/- 1.44 2.5 +/- 1.44 0.060 / 0.120 G32 89.5 14.8 3.6 +/- 2.79 9.1 +/- 2.79 0.050 / 0.110