PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/14-10:12:30
G02     274.9          81.2                4.1 +/-    0.91       4.2 +/-    0.91  0.030 / 0.040
G05     172.0          19.2                6.1 +/-    1.62      13.7 +/-    1.62  0.030 / 0.050
G06     39.6           51.5                2.8 +/-    0.54       3.5 +/-    0.54  0.080 / 0.180
G12     321.6          62.0                4.2 +/-    1.18       4.7 +/-    1.18  0.070 / 0.190
G17     75.3           18.5                4.2 +/-    0.81       9.5 +/-    0.81  0.060 / 0.080
G19     64.0           32.8                3.8 +/-    0.83       6.3 +/-    0.83  0.060 / 0.100
G24     240.7          31.1                8.1 +/-    0.94      13.9 +/-    0.94  0.040 / 0.030
G25     317.0          17.1                3.7 +/-    2.39       8.6 +/-    2.39  0.040 / 0.030