[Lf] Re: Frequency shifting WA2XTF/12 ?

[Frank Gentges]

Andre, Alan,

A 555 would be simple and sounds good.  Keying rate should always show a 
transition on a Spectran screen.

Frank


On Fri, 3 Dec 1999, Andre' Kesteloot wrote:

> Frank Gentges wrote:
> 
> > Second.  Add a capacitor of small value to the oscillator circuit and key
> > it with a reed relay.  I can come up with a timer from my junkbox to key
> > the relay on and off at a rate of several minutes at each point.
> 
> Frank : I am trying a 555 astable and a reed relay now and will let
> you know.
> Alan : What would be a good rate? Should I shift back and forth every
> 3 minutes? Five minutes?
> Others any additional idea?
> 73
> Andre'
>