[Milsurplus] [Boatanchors] Carbon Mic Rejuvination

[COURYHOUSE at aol.com]

the only thng that  sounds  worse is  when you try to  modulate spark this 
way
 
 
In a message dated 3/15/2013 7:41:32 P.M. Mountain Standard Time,  
w7qho at aol.com writes:

Technique used in the very early days for some of the first voice  and  
music transmissions....

Dennis D.   W7QHO
Glendale, CA

*************
On Mar 15, 2013, at 3:50 PM, Rob  Atkinson wrote:

> you can put a carbon  mic in series between  the rig and antenna and
> use it to modulate the RF.    Supposed to work but sounds really bad.
> Only a few watts I  guess.

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