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Originally Posted by GrimUpNorth
I wonder if in these uncertain times using the system as a backup for GPS would be another reason to keep it switched on, and if it's there and working why not keep using it?
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An alternative to GPS is strategically worthwhile but changing to a system that supports BPS is questionable. I wonder if it is something that could be built into DAB transmitters. The main issue, as I see it, is can UK terrestrial networks support this? Is there enough transmitter overlap to facilitate a working level of triangulation? A system built from scratch on cellular networks might be more appropriate.