International Marconi Day is observed annually on the Saturday closest to April 25, which is the birth date of Guglielmo Giovanni Maria Marconi, inventor of the radio.
On Saturday, April 26th, 2025 operating as GB2IMD the Dragon Amateur Radio Club celebrated international Marconi day which marks the anniversary of the first transatlantic message being sent from the historic Marconi transmission site at Ceunant, near Waunfawr.
The operating site is rich in wireless heritage and was indeed the location from which Marconi sent first transatlantic message in the early 1900s which is recognised as being a true pioneering leap in global communication. To find out more about the site visit https://historypoints.org/index.php?page=marconi-transmitting-station-site-near-caernarfon
Location 3.6 miles (5.75km) East of Caernarfon (Click to view Google Map)
W.A.B :- SH56
IARU Location IO73VC
N.G.R (National grid reference ) SH53318 60738 Elevation 821 feet (250m) above sea level (to car park)





