Does anyone know how many live feeds the BBC News desks can take at any one time?
News desks are in offices. The news MCR area (SCAR) can take in many different feeds, although how many each gallery can take at a time I have no idea. It's not really relevant here as there can't be any more than 3 or 4 seperate feeds coming in from Chile
Though SCAR itself can now be controlled from an office...
The way BBC News works is that there are lots and lots of feeds coming into SCAR and CAR/CCA (BBC regional/national circuits, fibre circuits from the BT Tower, satellite downlink outputs, feeds from videophones and similar devices etc.) These are "packaged" up by SCAR onto a central router (so that the right comms feeds are associated with the sound and vision feeds) - though there are some permanent feeds as well (off air receivers, agency picture feeds etc. which don't need packaging) which can then be routed to destination OSs (outside sources) in each gallery, as well as to recording ports on the edit server and edit suites, via a central router, which is remotely controlled by the galleries and edit suites. There are intranet pages showing booking timetables, what is on which package etc. These are also available on the TV ringmains available on every journalist's desk.
Each gallery will have between 6 and 10 OSs in normal circumstances - though they may also have permanent and separate feeds of APTN, REUTERS, EVN etc. (which don't require comms) in addition that can be routed separately to the OSs. Some of these OSs are routinely used for things like BBC London and a BBC Weather studio, and they can also be used for injects from edit suites when the final edited item hasn't been transferred to the playout servers.
For major events there are both hub areas as well as the possibility of using separate galleries to pre-switch some feeds.