PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/09/27-11:27:40 G02 201.7 25.3 4.0 +/- 2.69 7.7 +/- 2.69 0.070 / 0.110 G06 164.9 61.3 6.0 +/- 0.48 6.7 +/- 0.48 0.080 / 0.120 G12 302.8 10.6 -7.7 +/- 4.25 -21.2 +/- 4.25 0.120 / 0.200 G17 26.4 56.4 4.0 +/- 0.92 4.7 +/- 0.92 0.040 / 0.030 G19 347.5 69.0 3.8 +/- 1.11 4.0 +/- 1.11 0.040 / 0.030 G24 306.0 32.4 3.1 +/- 1.99 5.2 +/- 1.99 0.030 / 0.030 G28 89.7 42.3 6.6 +/- 1.26 9.3 +/- 1.26 0.040 / 0.030 G30 158.3 10.6 5.9 +/- 1.98 16.4 +/- 1.98 0.240 / 0.470