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)

IY1TO

“Gino Lisa” Mirafiori (Turin)

GB8MD

Telford & District ARS, Gwynedd, Wales

EI3IMD

Coastguard Station, Tramore, Ireland

K3IMD

Hartstown, Pennsylvania, USA

WA3BAT

Philadelphia Museum Ship, Philadelphia, USA

KM1CC

Cape Cod RC, USA

GB2GM

Poldhu ARC, Cornwall, UK

GB2NH

Tidemills Marconi Site, East Sussex, UK

GB2MCW

Tidemills Marconi Site, East Sussex, UK

OE23M

ORF Centre, Vienna, Austria

K2M

Marconi Tower, Binghamton, NY, USA

EI0MAR

Martello Tower, Dublin

W1WCC

Chatham, Massachusetts, Cape Cod, USA

GB5LSG

Lochboisdale, Isle Of South Uist, Outer Hebrides, Scotland

GB0CMS

Caister Marconi Station, Life Boat Station, Norfolk, UK

VK2IMD

Hornsby & District ARC, Hornsby, NSW, Australia

DA0IMD

Borkum Island, Germany

VP8VPC

Stanley, Falkland Islands

PA23IMD

Gouda & District Section Veron, Netherlands

GB0IMD

Weston Super Mare, UK

HV1CN

Vatican Radio , Vatican City

W1AA

Marion (Mass, USA) Marconi Transmitter Building site

W2RC

Radio Central ARC, Rocky Point, New York

IY0MMR

Forte Monte Mario (Roma)

GB4MPC

Marconi Point, Cullercoats, UK

GB4MDI 

Barry ARS, Lavernock Point, South Wales

G2NM

Amberley Museum ARC, West Sussex, UK

G2LO

Borough Hill, Daventry, UK

W2M

Babylon, New York, USA

GB0MAR

The Needles, Marconi Monument,  Isle Of Wight

GB6IMD

The Marconi Memorial, Ballycastle, Northern Ireland

GB5LT

Luttrells Tower, Hampshire, UK

GX0MWT

Chelmsford ARS, Essex, UK

K3S

Nuclear Ship Savannah, Baltimore, USA

DL0BRF

Light Vessel Borkumriff, Borkum Island, Germany

GB0MBP

Marconi Bass Point, The Lizard, Cornwall, UK

9H1MRC

Marconi Amateur Radio Circle, Malta

GB1GLC

Marconi’s Carnarvon Station, North Wales

IY7GMB

Circolo ARS, Bari

K6KPH

Maritime Radio Historical Society, California, USA

W2RTM

New Jersey Antique Radio Club, New Jersey, USA

GB4MHS

Museum of History & Science, Oxford, UK

VO1IMD

Signal Hill, Newfoundland, Canada

GB2IMD

Dragon Amateur Radio Club, Wales

EI4IMD

Corrywongaun. Co. Galway, Ireland

M3KXZ/P

Tide Mills, East Sussex, UK

GB100TMD

Telford & District ARS, Gwynedd, Wales (Tywyn Marconi Day)

CW1GM

Radiogrupo Sur, Uruguay

GB0MPB

Marconi Portland Bill,  Portland, Dorset, UK