https://www.helirig.com/projects/digital-switchover-programme/
Helirig's involvement with Arqiva and Babcock in the Digital Switchover programme (DSO) converting crucial antenna systems from analogue to digital
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https://www.whathifi.com/news/london-to-mark-digital-switchover-crystal-palace-lightshow
Update 17.04.12Seventy five years of analogue TV broadcasts in London will come to an end at midnight tonight when the analogue signal is turned off for...
digital switchovercrystal palacelondonmarklightshow