PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/06-21:28:10
G02     219.4          63.7               18.2 +/-    1.13      20.0 +/-    1.13  0.050 / 0.070
G06     49.9           70.0               16.8 +/-    0.55      17.8 +/-    0.55  0.060 / 0.060
G12     320.0          40.8               16.0 +/-    1.33      23.0 +/-    1.33  0.050 / 0.080
G17     59.2           31.9               14.5 +/-    2.67      24.4 +/-    2.67  0.080 / 0.090
G19     41.4           48.4               15.5 +/-    0.92      19.9 +/-    0.92  0.030 / 0.030
G24     259.9          40.7               18.5 +/-    4.51      26.7 +/-    4.51  0.030 / 0.030
G28     125.0          10.8               18.4 +/-    2.89      50.5 +/-    2.89  0.030 / 0.050