[Lf] Frequency shifting WA2XTF/12 ?

[Andre' Kesteloot]

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'