PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/08/08-19:27:50 G02 54.3 37.4 10.7 +/- 0.76 16.3 +/- 0.76 0.040 / 0.060 G05 66.7 65.3 11.8 +/- 0.16 12.8 +/- 0.16 0.040 / 0.070 G12 185.6 38.7 15.0 +/- 0.99 22.3 +/- 0.99 0.060 / 0.080 G13 130.5 11.7 16.0 +/- 18.69 42.9 +/- 18.69 0.040 / 0.070 G21 267.5 13.4 16.2 +/- 4.59 41.8 +/- 4.59 0.150 / 0.420 G25 246.2 55.1 13.6 +/- 0.74 16.2 +/- 0.74 0.190 / 0.340 G29 325.6 50.1 11.6 +/- 1.11 14.6 +/- 1.11 0.100 / 0.480