Inmarsat secures Ofcom endorsement of its European Aviation Network

Communications satellite company Inmarsat has received the all clear from UK telecoms regulator Ofcom to build ground based stations.
This seems to have been a necessary extra permission needed for Inmarsat to include the UK in its European Aviation Network, on top of the license to provide mobile satellite services over the 2 GHz frequency band, which was granted by both the European Commission and Ofcom back in 2009.
The need for CGCs (complementary ground components) is illustrated below by a