In 21.28 14/04/00 , Larry wrote:

I also noticed DCF39 was off air at about 0100utc last night. It was
back on again later.

I was starting to think I had an intermittent in the system at one point.

Larry, have a small signal generator tuneable on 137 kHz at hand.
When in doubt, radiate a few microwatts .... in my shack this technique
is used often and works well.

G3WSC was about +14 dBuV at 1950z on my Marconi. Gain unknown ...
expecially after the debate on antenna efficiency and ERP, but I extimated
to have approx. -30 dBi.