PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/11/22-04:28:00 G01 107.1 23.7 7.8 +/- 1.29 15.7 +/- 1.29 0.030 / 0.030 G07 102.4 60.1 5.8 +/- 1.37 6.5 +/- 1.37 0.030 / 0.040 G08 42.0 22.0 3.1 +/- 3.10 6.6 +/- 3.10 0.080 / 0.050 G09 172.8 13.3 5.9 +/- 1.67 15.4 +/- 1.67 0.080 / 0.070 G11 96.7 44.9 5.1 +/- 1.22 6.9 +/- 1.22 0.050 / 0.100 G13 310.8 28.4 2.2 +/- 2.11 3.9 +/- 2.11 0.050 / 0.070 G17 203.7 35.3 1.2 +/- 0.73 1.9 +/- 0.73 0.090 / 0.090 G19 207.1 12.9 3.6 +/- 3.86 9.3 +/- 3.86 0.070 / 0.090 G28 297.7 56.1 3.7 +/- 1.72 4.4 +/- 1.72 0.270 / 0.540 G30 357.5 74.9 3.5 +/- 0.28 3.6 +/- 0.28 0.190 / 0.510