PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/04-19:28:10
G01     42.5           18.2               11.0 +/-    1.29      25.3 +/-    1.29  0.080 / 0.190
G06     174.5          37.6               15.5 +/-    1.24      23.5 +/-    1.24  0.110 / 0.230
G13     239.8          23.6               13.5 +/-    1.82      27.2 +/-    1.82  0.120 / 0.260
G15     274.2          12.9               13.5 +/-    1.56      35.3 +/-    1.56  0.120 / 0.170
G17     348.8          73.3               13.8 +/-    0.59      14.3 +/-    0.59  0.020 / 0.030
G19     267.4          66.1               13.0 +/-    0.97      14.1 +/-    0.97  0.030 / 0.040
G24     317.1          17.8               12.4 +/-    2.65      28.9 +/-    2.65  0.060 / 0.130
G28     68.5           48.0               12.9 +/-    0.36      16.6 +/-    0.36  0.060 / 0.120
G30     153.9          29.7               15.1 +/-    1.99      26.7 +/-    1.99  0.040 / 0.080