thanks to Ralph Cameron, VE3BBM, there are two recordings of VE3DVX's
spark gap transmitter which was on the air Dec. 12 at 2100 EST
(with special govenrment permission). Listen here: Recording
#1, Recording #2
also provided his own recording of the Spark
Gap in operation.
near St.Catharines, Ontario running 20 W. He had permission to
operate for one hour transmitting the word" Marconi"
and the letter "S" ( three dots) each 30 second interval.
recording of this transmission
was made by Paul Denby VE3VDX at his station.