VT Communications was a part of VT Group plc. VT Communications was essentially the company formed from the privatisation of the BBC World Service transmitter sites. It was initially named Merlin Communications, then, after acquisition by VT, VT Merlin Communications. It provided transmission services to over 20 different customers from four main sites in the UK and many others in the rest of the world.
It was based at the Blue Fin Building on London's South Bank, which hosts the company's new broadcast Media Management Centre and where it now forms part of Babcock International Group, after its acquisition on 8 July 2010.
Read more about VT Communications: National Physical Laboratory Time Signal, Main Transmission Sites in The UK