| GB4IMD |
Cornwall, UK (Organisers) |
| GB4LD |
Lizard Wireless Station, Bass Point, Cornwall, UK |
| IY1SP |
La Spezia – Museo Tecnico Navale |
| IY5PIS |
Coltano (PI) |
| IY1MR |
Rapallo (GE) |
| IY1SM |
Santa Margherita Ligure (GE) |
| IY0ORP |
Osservatorio Geofisico di Rocca di Papa (RM) |
| IY0TC |
Torre Chiaruccia – Santa Marinella (RM) |
| IY0CG |
Castel Gandolfo (RM) |
| IY0GA |
Capo Figari – Golfo Aranci (SS) – Sardinia Island |
| IY0IMD |
Forte Michelangelo – Civitavecchia (RM) |
| IY4FGM |
Villa Griffone – Pontecchio Marconi (BO) |
| IY6GM |
Monte Cappuccini (AN) |
| IY7M |
Molo San Cataldo (BA) |
| VK2IMD |
Hornsby & District ARC, Hornsby, NSW, Australia |
| HV0A |
Vatican City |
| GB2NH |
Tidemills Marconi Site, East Sussex, UK |
| EI2IMD |
Ireland |
| W2TOB |
Babylon, Long Island, NY |
| W2GSB |
Babylon, Long Island, NY |
| VP8VPC |
Stanley, Falkland Islands |
| EI0MAR |
Martello Tower, Dublin |
| OE22M |
IMD Station, Austria |
| W1AA |
Marconi RC, MA, USA |
| G2NM |
Amberley Museum, West Sussex |
| WA3BAT |
USS Olympia Museum Ship, Philadelphia, USA |
| GB8MD |
Telford & District ARS, Gwynedd, Wales |
| GB2MCW |
Tidemills Marconi Site, East Sussex, UK |
| MN0VFW |
Mid Ulster ARC, Navan Fort , Armagh, N. Ireland |
| GX0MWT |
Great Baddow, Nr Chelmsford, Essex, UK |
| DL0BRF |
Lightship Borkumriff, Borkum Island, Germany |
| GB4MDI |
Barry ARS, Lavernock point, South Wales |
| K2M |
Marconi Tower, Binghamton, NY, USA |
| GB0IMD |
Weston Super Mare RS, Brean Down, Weston Super Mare |
| EI6YXQ |
Marconi Site, Ballybunion, County Kerry |
| IY1TO |
Former “Gino Lisa” ex airport of Mirafiori (TO) |
| GB2GM |
Poldhu ARC, Cornwall, UK |
| GB0CMS |
Caister Marconi Station, Norfolk, UK |
| GB5LSG |
Lochboisdale, Isle Of South Uist, Outer Hebrides, Scotland |
| DA0IMD |
Borkum Island, Germany |
| GB0NFF |
Mid-Somerset ARC, Somerton, Somerset |
| GB4MPC |
Tynemouth RC, Marconi Point at Cullercoats, UK |
| K6KPH |
Point Reyes National Seashore, Northern California |
| GB4MHS |
Museum of History & Science, Oxford, UK |
| G2LO |
Borough Hill, Daventry, UK |
| N1M |
Marconi Beach, S. Wellfleet, MA, USA |
| 4M5M |
Venezuela |
| GB2IMD |
Dragon ARC, The Old Marconi Radio Station, Caernarfon, Wales |
| GB4WMD |
Isles of Wight RS, Alum Bay, Isles of Wight, UK |
| W2RTM |
New Jersey Antique Radio Club, New Jersey, USA |
| GB5FHC |
Fraserburg Heritage Centre, Fraserburg, Scotland |
| GB0MGY |
Harlow RS, Essex, UK |
| W2RC |
Radio Central ARC, Rocky Point, New York |
| K3SAV |
Nuclear Ship Savannah ARC, Baltimore, USA |
| CW1GM |
Radiogrupo Sur, Uruguay |
| GB5LT |
Luttrells Tower, Hampshire, UK |
