PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/28-16:12:30
G02     350.1          75.7                7.5 +/-    0.62       7.7 +/-    0.62  0.140 / 0.250
G05     162.9          38.3                9.1 +/-    1.01      13.6 +/-    1.01  0.160 / 0.340
G06     43.1           34.0                7.3 +/-    0.98      11.7 +/-    0.98  0.020 / 0.040
G12     298.8          76.4                7.5 +/-    0.48       7.7 +/-    0.48  0.030 / 0.030
G17     89.0           10.4                7.3 +/-    3.07      20.1 +/-    3.07  0.060 / 0.110
G19     80.6           22.0                7.6 +/-    1.18      16.0 +/-    1.18  0.060 / 0.100
G24     225.1          18.8               10.8 +/-    1.99      24.5 +/-    1.99  0.060 / 0.090
G25     315.8          33.0                7.5 +/-    1.19      12.4 +/-    1.19  0.040 / 0.070
G29     289.8          12.0                9.1 +/-    1.18      24.4 +/-    1.18  0.040 / 0.080