[Milsurplus] is that an oscillator I hear whining?!

[mikea]

On Tue, Dec 03, 2002 at 10:08:27PM -0600, r390a@enteract.com wrote:
> Here's a current day application of the same principle:
> 
> http://www.sacbee.com/content/news/story/5349258p-6338265c.html
> 
> > I can't remember if this subject was hashed (pun intended) out on this list
> > or on "theporch", but on reading the paperback version of "German Raider
> > Atlantis" (titled "Under Ten Flags", after the movie starring van Heflin
> > and Charles Laughton), I found, on page 110, a reference to DF'ing by using
> > receiver oscillators.  I quote the author, Captain Bernhard Rogge: "I used
> > the Speybank [a ship] to enlarge my patrol area, sending her out as a scout
> > thirty miles on my flank, whence she could report by a specially arranged
> > signal.  Breuers, her captain, was able to maintain contact with us in a
> > new and very remarkable way, by taking bearings on the radiations of our
> > radio receiver.  Although the experts said this was impossible, supsequent
> > [typo in the original] developments proved that Breuers was only too right.
> > [unfortunately, I could not find where Rogge continued this - it may have
> > been left out of the paperback version.]
> > 
> > Does anyone have the original version, "German Raider Atlantis"?  Hopefully
> > in German?  	e

Peter Wright's book _Spycatcher_ talks in some detail about 
finding spy rigs in WW II by listening for the receiver LO.
And, of course, this is just TEMPEST at work. 

-- 
Mike Andrews
mikea@mikea.ath.cx
Tired old sysadmin since 1964