|A Vintage QSL Card Collection|
Lt.-Col. M. J. C. Dennis
handwritten text on this card reads:
"Many thanks fr report of sigs received on 27/XII/25 at 3pm when working 6YC on 45m. I also work on 90m after dark - usually after 2300 GMT. Input 5 watts."
Dennis had set up an experimental wireless station at Woolwich Arsenal
in 1898 and later claimed that his was the first non- professionnal
wireless experimental station in the world.
(World at their fingertips p.11)