[Milsurplus] [Crystal_Sets] WWI Telefunken Project

[Al Klase]

Gene,

The buzzer is an RF source so you can verify that your detector is 
working.  This was especially important with a lot of crystal detectors 
that need to be regularly tweaked.  You probably couldn't tell unless 
someone was on the air or there was an electrical storm in progress.

73,
Al

On 8/13/2012 11:43 PM, Gene Smar wrote:
>  Al:
>      What was the buzzer (at the top of the schematic) used for?  
> Alerting to incoming traffic?
> 73 de
> Gene Smar  AD3F
> On 08/13/12, Al Klase<ark at ar88.net> wrote:
> Gang,
>
> I'm contemplating building an electrical reproduction of the German
> field set at the bottom of this page (my site):
> http://www.skywaves.ar88.net/xtal/xtal.htm
>

-- 
Al Klase - N3FRQ
Jersey City, NJ
http://www.skywaves.ar88.net/