"Kenneth G. Gordon" wrote: > > What is this thing? Does it have a BFO? Is it any good? > > http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=2126661187 It is a direction finder. Missing an oval, silver looking antenna loop that plugs into the round plug on top. The inspection stamps make this one probably post-WWII. They are rare. 73 Dave S.