PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/03/14-23:57:40 G01 44.2 20.4 8.9 +/- 3.00 19.3 +/- 3.00 0.320 / 0.210 G06 179.3 28.8 11.5 +/- 1.69 20.7 +/- 1.69 0.340 / 0.330 G13 242.1 26.3 10.3 +/- 1.93 19.5 +/- 1.93 0.050 / 0.050 G15 275.8 14.1 7.9 +/- 1.56 20.2 +/- 1.56 0.040 / 0.050 G17 353.1 74.1 9.7 +/- 0.50 10.1 +/- 0.50 0.040 / 0.040 G19 260.4 65.4 11.5 +/- 0.69 12.5 +/- 0.69 0.040 / 0.030 G24 317.4 16.0 6.8 +/- 2.32 16.5 +/- 2.32 0.160 / 0.130 G28 59.1 52.2 8.8 +/- 0.73 10.9 +/- 0.73 0.100 / 0.210 G30 152.7 33.2 11.9 +/- 1.26 19.5 +/- 1.26 0.080 / 0.210