London shows were still being recorded at Hertford Street and the big studio off Portland Place.
Originally shows are prerecorded on discs; tape was developed by the Germans in the 30s and the technology was gruesome and difficult - huge bike-wheel size spools of steel wire.
IBC had a mobile disc-cutter in a big van to prerecord shows for their stations such as Radio Normandie.
Message Thread 1439 Big L - Anchor chain October 19, 2025, 5:40 pm
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