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Concept
Production truck
Summary
A television production truck or OB van is a small mobile production control room to allow filming of events and video production at locations outside a regular television studio. They are used for remote broadcasts, outside broadcasting (OB), and electronic field production (EFP). Some require a crew of as many as 30 people, with additional trucks for additional equipment as well as a satellite truck, which transmits video back to the studio by sending it up through a communications satellite using a satellite dish, which then transmits it back down to the studio. Alternatively, some production trucks include a satellite transmitter and satellite dish for this purpose in a single truck body to save space, time and cost.
Other television production trucks are smaller in size and generally require two or three people in the field to manage. For instance broadcast journalism news reporters providing live television, local news in the field electronic news gathering (ENG) outside a formal television studio. In some cases, it can be a station wagon, people carrier or even a motorbike (especially in cities with congested streets or where a rapid response is needed and a motorbike is more manoeuvrable).
One of the BBC's early Outside Broadcast vehicles, MCR 1 (short for Mobile Control Room), was built by the joint Marconi-EMI company and delivered to the BBC just in time to televise the Coronation of George VI and Elizabeth in May 1937. MCR 2 was identical to MCR 1 and was delivered in the summer of 1938. The MCRs could handle three cameras. Initially, they were standard , but were later supplemented by Super Emitrons, which performed much better than the standard ones in low light. The MCRs were built on the chassis of an AEC Regal single-decker bus.
After the Second World War, the joint company Marconi-EMI ended. The BBC ordered two 3-camera MCRs from EMI. The cameras were equipped with CPS tubes, had electronic viewfinders and a 3 lens turret. MCR 4 was delivered in time to be used on the 1948 Olympics.
Official source
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