John, my overactive imagination has tram coductors using the lanyard to
key transmissions back to base (and each other) by bouncing the trolley
wheel power pick-up off the overhead :)


On Tue, 2011-12-20 at 17:00 +0100, John Rabson wrote:
> On 20 Dec 2011, at 14:21CET, g4gvw wrote:
> 
> …
> 
> > These techniques, I recall, could involve using [… ] DC power supplies 
> > obtained
> > from his local town's street-lighting system. 
> 
> At one of the Belgian amateur radio conventions at Knokke (sometime in the 
> 1960s) I met ST2AR (I think that was his call sign).   He told me that before 
> the war he managed the tramway system for Cairo and used its overhead supply 
> to power his transmitter. It was alleged that when he put the key down the 
> trams all slowed down.
> 
> John F5VLF/G3PAI/ex ON5YB/ex ON8IU

-- 
73 es gd dx de pat g4gvw
 qth nr felixstowe uk
(east coast, county of suffolk)