PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/05/06-20:43:10 G01 38.7 12.6 11.3 +/- 4.18 29.8 +/- 4.18 0.040 / 0.070 G02 199.3 12.3 13.9 +/- 19.68 36.9 +/- 19.68 0.040 / 0.060 G06 175.3 41.9 16.8 +/- 0.79 23.7 +/- 0.79 0.100 / 0.160 G13 233.1 19.5 17.3 +/- 2.74 38.6 +/- 2.74 0.120 / 0.140 G15 266.1 10.6 12.8 +/- 1.84 35.2 +/- 1.84 0.100 / 0.160 G17 10.1 67.0 14.7 +/- 1.01 15.8 +/- 1.01 0.110 / 0.190 G19 291.8 71.1 15.4 +/- 0.33 16.2 +/- 0.33 0.060 / 0.070 G24 314.4 23.4 12.5 +/- 1.34 25.4 +/- 1.34 0.080 / 0.060 G28 72.8 48.2 14.5 +/- 1.07 18.7 +/- 1.07 0.110 / 0.460 G30 155.0 21.2 15.6 +/- 1.88 33.4 +/- 1.88 0.180 / 0.330