PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/05-20:28:00
G02     306.5          80.9               16.3 +/-    0.54      16.5 +/-    0.54  0.040 / 0.100
G05     166.4          28.5               21.6 +/-    1.20      39.0 +/-    1.20  0.050 / 0.100
G06     40.9           43.7               14.0 +/-    0.42      19.2 +/-    0.42  0.030 / 0.050
G12     317.4          68.7               14.8 +/-    0.75      15.7 +/-    0.75  0.030 / 0.050
G17     81.5           15.1               13.4 +/-    1.69      33.3 +/-    1.69  0.030 / 0.040
G19     68.4           32.7               15.3 +/-    0.83      25.3 +/-    0.83  0.030 / 0.030
G24     231.6          26.2               20.2 +/-    2.44      38.4 +/-    2.44  0.070 / 0.160
G25     317.7          24.0               13.5 +/-    2.38      27.0 +/-    2.38  0.100 / 0.160