My DX 100 was that way also, but I don't think it was as stable of the transmitter.

Sent from my iPhone this time 

> On May 6, 2014, at 5:59 PM, Pat Byrne <[log in to unmask]> wrote:
> 
> Heath, Johnson and the rest gave us audible tuning with those old transformers!
> Pat, K9JAU