IMD is held annually on the Saturday closest to the birthday of Guglielmo Marconi. It provides an opportunity for amateurs around the world to make point-to-point direct contact with historic Marconi sites. An award is given for working these.
Stations operate on or near these sites. These are all around the world. Here's the organizers' list (not all are confirmed):
CW1GM Punta Del Este City, Uruguay
DA0IMD Borkum Island
EI0IMD County Cork - Mizen Head
EI0MAR Martello Tower, Co Dublin
EI4MFT Clifden, County Galway
F5JYD/IMD Wimereux, France
GB0CMS Caister, Norfolk
GB0MBS Dorchester, Dorset
GB0MGY Harlow, Essex
GB100MWT Sandford Mill Chelmsford
GB1PBL Portland Bill, Dorset
GB2GM Poldhu Cove, Cornwall
GB2M Lochboisdale Marconi Wireless Station
GB2MB Haldon Hill, Exeter, Devon
GB2MD Radio Society of Great Britain
GB2MT Writtle, Essex
GB2OWM Orkney Wireless Museum
GB2SFL South Foreland Lighthouse
GB2SJ Souter Point Lighthouse
GB4FPR Fort Perch Rock.NB (On 500 KHz CW also)
GB4HMD Holyhead, North Wales
GB4IMD Nr. Falmouth, Cornwall [CRAC Station]
GB4M Daventry
GB4MBC Flatholm Island
GB4MBP Bass Point, The Lizard, Cornwall
GB4MD Waunfawr, Wales
GB4MDI Lavernock Point
GB4MHS Oxford
GB4MIW Alum Bay, Isle of Wight
GB4MPC Marconi Point, Cullercoats
GB5FHC Fraserburgh, Scotland
GB5LT Calshot, Nr. Southampton
GB6MD Brean Down, Somerset
GB8IMD Netheravon Camp, Salisbury Plain
GB8MD Tywyn, Wales
I0KHP/IMD Villa Dei Principi, Civitavecchia
I4CDH/IMD Bologna
II4SM Sasso Marconi
IY0GA Capo Figari, Golfo Aranci, Sardinia
IY0IMD Forte Michelangelo, Civitavecchia
IY0ORP Rocca di Papa, Rome
IY0TC Torre Chiaruccia, Santa Marinella, Rome
IY1MR Rapallo, Genova
IY1SP La Spezia
IY1TTM Sestri Levante
IY4FGM Villa Griffone, Pontecchio, Bologna
IY5PIS Coltano, Pisa, Italy
K2NJ Somerville, New Jersey
K6KPH Bolinas, Point Reyes,Ca
KM1CC Wellfleet, Cape Cod, Mass.
MN0MRG Ballycastle, Northern Ireland
N2MO Wall, New Jersey
OE11M Vienna, Austria
PA6IMD Gouda, The Netherlands
TF3IMD Hofdi, Reykjavik, Iceland
VE1IMD Glace Bay, Nova Scotia, Canada
VE2CRD Drummondville, Quebec, Canada
VK2IMD Wahroonga, NSW, Australia
VO1AA Signal Hill,St Johns,Newfoundland
VO1BZM Newfoundland, Canada
W1AA/MSC Nantucket Island, Mass.
W2LIS Long Island
W2MRC Somerset, New Jersey
W2RC/IMD Rocky Point, NY
W8K Elberta/Frankfort, Michigan
WA1WCC Chatham, Mass
