PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/06/24-15:28:10 G01 87.1 31.8 10.0 +/- 0.86 16.9 +/- 0.86 0.030 / 0.070 G07 127.5 39.3 9.9 +/- 0.68 14.6 +/- 0.68 0.030 / 0.080 G11 65.8 39.4 9.1 +/- 0.43 13.3 +/- 0.43 0.060 / 0.060 G13 291.6 37.6 9.1 +/- 0.76 13.8 +/- 0.76 0.060 / 0.060 G15 313.7 11.0 2.5 +/- 21.38 6.9 +/- 21.38 0.070 / 0.080 G17 215.1 53.3 13.5 +/- 0.56 16.4 +/- 0.56 0.050 / 0.100 G18 60.7 23.0 8.2 +/- 1.45 16.8 +/- 1.45 0.060 / 0.120 G19 214.6 29.8 9.6 +/- 1.94 16.8 +/- 1.94 0.070 / 0.120 G28 340.3 61.5 9.0 +/- 0.91 10.1 +/- 0.91 0.060 / 0.050 G30 113.5 72.3 10.6 +/- 0.80 11.1 +/- 0.80 0.050 / 0.050