PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/24-12:27:50
G02     19.2           66.8                4.5 +/-    0.48       4.8 +/-    0.48  0.040 / 0.040
G05     158.0          47.0                7.3 +/-    0.88       9.5 +/-    0.88  0.040 / 0.050
G06     45.3           31.8                3.8 +/-    1.29       6.4 +/-    1.29  0.110 / 0.330
G12     260.6          79.0                4.3 +/-    1.31       4.4 +/-    1.31  0.130 / 0.490
G19     88.5           17.7                5.0 +/-    1.83      11.7 +/-    1.83  0.030 / 0.020
G20     198.5          10.6               -6.2 +/-    8.18     -17.1 +/-    8.18  0.030 / 0.020
G24     219.5          13.4                5.9 +/-    1.33      15.2 +/-    1.33  0.190 / 0.270
G25     311.9          42.4                4.5 +/-    1.41       6.2 +/-    1.41  0.050 / 0.060
G29     298.8          21.8                5.8 +/-    1.28      12.3 +/-    1.28  0.060 / 0.120