PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/10-20:12:30
G02     203.7          35.7               17.7 +/-    1.84      27.7 +/-    1.84  0.070 / 0.080
G06     154.0          71.2               16.1 +/-    1.00      16.9 +/-    1.00  0.070 / 0.090
G12     308.8          17.7               10.9 +/-    1.14      25.5 +/-    1.14  0.030 / 0.060
G17     35.4           49.9               12.0 +/-    0.89      15.2 +/-    0.89  0.030 / 0.060
G19     358.9          65.4               13.0 +/-    0.49      14.1 +/-    0.49  0.070 / 0.140
G24     295.9          39.1               12.9 +/-    1.36      19.0 +/-    1.36  0.070 / 0.150
G28     103.8          30.3               13.6 +/-    0.85      23.7 +/-    0.85  0.050 / 0.050