Marconi Radar History - Marconi Radar Sites in Chelmsford: BEDELL'S END - Roxwell Road, Writtle. A radar test site, it was eventually replaced by Bushy Hill, although it continued to be used
Forty Years of Marconi Radar from 1946 to 1986
Marconi Radar History
Martello S 723 - Radartutorial
Radar - Wikipedia
Guglielmo Marconi e la leggenda del "raggio della morte" - Ponza Racconta
Why not Deploy Phased Array Radars on cars @elonmusk?