I believe most boats between 1943 & 1944 would have both the FuMO30 and DF Loop. A reason why you unlikely to see many pictures of them together is that almost all captains never used the FuMO30, so it unlikely to be seen in war time pictures.

There are several styles of both FuMO30 and DF Loop depending on the year and boat number. You can check out my article on them at AMP.

[amp.rokket.biz]