PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/23-12:27:50
G02     62.9           28.8                3.7 +/-    0.89       6.6 +/-    0.89  0.030 / 0.030
G05     55.7           61.3                5.5 +/-    0.42       6.1 +/-    0.42  0.030 / 0.040
G12     181.3          27.4                6.9 +/-    2.15      12.8 +/-    2.15  0.060 / 0.100
G13     124.0          16.9                9.5 +/-    1.82      22.5 +/-    1.82  0.040 / 0.120
G15     159.8          16.3                7.7 +/-    1.18      18.5 +/-    1.18  0.060 / 0.110
G21     274.4          19.4                5.4 +/-    1.72      12.1 +/-    1.72  0.050 / 0.120
G25     232.3          49.9                9.1 +/-    1.27      11.4 +/-    1.27  0.040 / 0.070
G29     330.0          56.4                3.9 +/-    1.40       4.5 +/-    1.40  0.040 / 0.050