thanks marty, after doing a bit of reading it apears that the RDF she is holding in that picture is the one that was used on the flight. i havent actually found an image of the "heavy" modern unit but apparently it was much smaller and more aerodynamic. Hooven stated that the aero benefits of the new unit would outweigh (see what I did there) the loss of fuel she could carry.
Kevin, here are some pictures of what is thought to be the Hooven system.
Picture 1, not too good but not many pictures of this, is the housing for the loop antenna of the Hooven system.
Picture 2 is thought to be the remote tuning unit for the Hooven system radio receiver.
Picture 3 top half is thought to be the antenna tuning control for the Hooven system.
Picture 3 bottom half is thought to be the radio receiver for the Hooven system.
Hope these help.