Link: Guardian R4 longwave goodbye
Vintage 1metre glass valve #ECC/86 available to arqiva
https://www.thales.fr
Yet the transmitter was replaced in 1987 for a pair
of Marconi 250kW units
which use inductive output tubes 270kW. As for the arc-ing 198 does not radiate from either mast A/B :: as it's a 'cage' antenna suspended from 216metres/700ft
= 1/7th wavelength ~1515mts
Message Thread 
BBC announce Longwave 198 wind down plan - End of an era May 29, 2023, 6:02 pm
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