Interesting. Kinda the same idea as our Navy's MO-1and MAK....... Dennis D. W7QHO Glendale, CA On Apr 18, 2010, at 1:42 PM, Meir WF2U wrote: > I have the manual which I scanned and created a PDF file from. In the > meantime you can look at http://www.jproc.ca/marconi/atr5.html . > I have one of them beasts as well...