PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/25-15:57:40
G02     218.2          58.8               11.3 +/-    1.29      13.0 +/-    1.29  0.060 / 0.060
G06     52.0           70.3               10.0 +/-    0.31      10.6 +/-    0.31  0.060 / 0.050
G12     320.7          42.7                9.3 +/-    1.20      13.0 +/-    1.20  0.050 / 0.050
G17     59.9           29.6                9.5 +/-    0.99      16.8 +/-    0.99  0.050 / 0.050
G19     37.2           50.9               10.3 +/-    1.86      12.9 +/-    1.86  0.030 / 0.020
G24     260.4          41.4               11.3 +/-    3.68      16.1 +/-    3.68  0.040 / 0.030
G28     123.7          12.5                7.5 +/-    2.19      19.9 +/-    2.19  0.050 / 0.050