Fig. 5

External equivalent L current systems for various combinations of universal time (UT) and lunar age \(\nu \): (a) \(\mathrm{UT}=0\), \(\nu =0\), (b) \(\mathrm{UT}=6\), \(\nu =0\), (c) \(\mathrm{UT}=12\), \(\nu =0\), (d) \(\mathrm{UT}=18\), \(\nu =0\), (e) \(\mathrm{UT}=12\), \(\nu =2\), and (f) \(\mathrm{UT}=12\), \(\nu =4\). The contour intervals are 1 kA. From Çelik (2014)