Need electronics xpert on EM3 Eric Foster UK PI unit for 5x8 loop

[banktill]

Need knowledgeable technician on west coast that knows the frequency of these units and requirements for deep seeker 5x8 coil to adapt.
These units use 2 large 6 volt batteries. I understand Eric Foster now works with White.

 

[Carl-NC]

Was this recently at White's for repair, with a loop-on-wheels?