PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/05-20:27:20
G02     202.9          33.3               17.6 +/-    1.08      28.9 +/-    1.08  0.170 / 0.270
G06     158.4          68.7               15.7 +/-    0.38      16.7 +/-    0.38  0.130 / 0.270
G12     307.4          15.6               11.1 +/-    1.89      27.3 +/-    1.89  0.110 / 0.110
G17     32.7           51.9               13.5 +/-    1.14      16.6 +/-    1.14  0.070 / 0.080
G19     353.5          66.6               13.7 +/-    0.56      14.8 +/-    0.56  0.030 / 0.030
G24     298.7          37.9               14.0 +/-    2.01      21.1 +/-    2.01  0.030 / 0.030
G28     101.4          31.9               12.6 +/-    0.40      21.2 +/-    0.40  0.030 / 0.030