PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/04/29-00:12:30
G02     334.1          79.9                7.0 +/-    0.52       7.1 +/-    0.52  0.100 / 0.240
G05     164.6          31.2               13.6 +/-    1.23      23.2 +/-    1.23  0.140 / 0.210
G06     39.8           45.6                5.8 +/-    0.52       7.7 +/-    0.52  0.030 / 0.040
G12     316.1          65.2                5.5 +/-    0.91       6.0 +/-    0.91  0.030 / 0.040
G17     83.5           12.6                9.1 +/-    2.07      23.8 +/-    2.07  0.070 / 0.160
G19     72.1           28.5                8.5 +/-    0.83      15.3 +/-    0.83  0.070 / 0.140
G24     229.7          24.4               10.5 +/-    1.90      20.8 +/-    1.90  0.040 / 0.030
G25     317.3          26.6                5.3 +/-    1.49      10.0 +/-    1.49  0.030 / 0.040
G29     284.9          10.2              -10.3 +/-   10.89     -28.7 +/-   10.89  0.050 / 0.090