Phone roaming in the US and Canada was card numbers, was cards, was E-ZPass, was CharlieCards v.v. Oyster (and Octopus?)
In message , Roland Perry
writes
Coastal base stations (such as the one which you contacted in northern
France) can be adjusted to allow twice the normal propagation delay, so
that large areas of sea are covered.
The last few times I've been on a Sealink Ferry I've got their very own
base station.
--
Clive
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