Store and Forward
An alternative to the use of the low quality videophone is a Store and Forward system. It is important to note immediately that such systems do not operate in ‘live’ mode – they are intended for the transmission of material at higher quality, slower than real time. This means that every minute of material recorded will actually take several minutes to send.
A ‘live’ video transmission of a quality generally acceptable for a news broadcast requires a connection with a capacity of at least 2 Mbps. Clearly nothing near this data rate is currently available with the Inmarsat GAN service and to achieve this in a remote location, away from fixed high capacity terrestrial circuits, normally requires the use of a full-blown SNG system. ...
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