PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/06/03-00:13:00 G02 59.5 32.3 8.1 +/- 1.18 13.5 +/- 1.18 0.050 / 0.070 G05 57.2 60.1 8.7 +/- 0.74 9.8 +/- 0.74 0.060 / 0.070 G12 186.0 34.8 12.3 +/- 2.24 19.7 +/- 2.24 0.180 / 0.310 G13 127.0 14.9 14.2 +/- 2.63 35.4 +/- 2.63 0.190 / 0.320 G15 162.9 12.9 14.6 +/- 2.39 38.1 +/- 2.39 0.050 / 0.120 G21 271.7 17.4 13.1 +/- 4.03 30.8 +/- 4.03 0.050 / 0.130 G25 236.9 52.1 11.4 +/- 1.40 14.0 +/- 1.40 0.050 / 0.080 G29 330.9 56.7 10.3 +/- 0.86 12.0 +/- 0.86 0.050 / 0.090