[GreenKeys] ITTY & RSS feeds...

[Roy Morgan]

On Mar 16, 2014, at 7:43 PM, epvgk at limpoc.com wrote:
> 
> …  Alternately you might use a TU or build a simple circuit to take the
> RS232 signal and turn it into FSK tones. 

This good advice reminds me of a saying reported from many years ago:


If you want to know the frequency, get a Collins.

If you want to really hear them, get a Hallicrafters*.



*I would add here: “… or an R-390A, or an EK-07.”

Roy

Roy Morgan
RoyMorgan at alum.mit.edu
K1LKY Since 1958