PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/05-21:28:10
G02     217.6          61.9               15.8 +/-    1.32      17.7 +/-    1.32  0.040 / 0.070
G06     53.0           71.8               13.9 +/-    0.46      14.6 +/-    0.46  0.050 / 0.080
G12     319.5          39.0               11.4 +/-    0.91      16.9 +/-    0.91  0.060 / 0.060
G17     57.6           33.1               10.3 +/-    2.14      17.0 +/-    2.14  0.070 / 0.070
G19     39.2           49.6               12.2 +/-    1.67      15.5 +/-    1.67  0.030 / 0.020
G24     262.4          41.2               15.4 +/-    2.62      22.0 +/-    2.62  0.030 / 0.020
G28     123.8          12.2               15.6 +/-    2.19      41.5 +/-    2.19  0.050 / 0.050