Guys,
The key here is KML files -
Keyhole Markup Language - Wikipedia, the free encyclopedia
These are basically files with the GPS co-ordinates plus some other info in them which are then loaded into google earth (or google maps  ). Our KML file would need to be stored and updated somewhere centrally (i.e. the HU website presumably). Managing what goes on there, deletion of outdated stuff etc could then be handled by appointed administrators.
I'm interested you mention the desire to create GPS databases - any pointers what others are planning? A really sweet solution would be to have a webpage which allows people to put in points of interest which are then stored in a database. Then a piece of code could turn this database into a KML file automagically, meaning management of placemarks can all be done in the database.
I think something like this could be superb when planning routes when a map helps you visualise stuff. I'm just pondering how this could be linked into geotagged photos, GPS tracks and all too now
Neil
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