Hi Dave,
the message below received last night via navtex. Probably
some tests?

73
Hartmut


ZCZC EH69
NAVAREA ONE 068
LORAN C. NORTHWEST EUROPE. STATION LESSAY. LESSAY CHAIN RATES 6731-X 
AND 6731-Z AND SYLT CHAIN RATE 7499-X OFF AIR 0800 UTC TO 1200 UTC 
DAILY 07 AND 08 MAR. CANCEL THIS MESSAGE 081300 UTC MAR 06.



> These sidebands, spaced at about 0.3Hz appeared suddenly on my Rugby
> line which falls in the US grabber window.
> It started with a glitch at about ten past 8 and went off about
> half-past 11 with an identical glitch on the carrier as you can see in
> the grab (I hope).
> Were they testing the GPS enhancement mode or whatever?

> Dave.

> --
> G3YXM IO92BK Birmingham UK