[Openstreetmap] GPS reception in narrow city streets

[Schuyler Erle]

* On  3-Mar-2005 at  3:42AM PST, Frank Mohr said:
> 
> The "London Free Map" page mentions a "window of opportunity".
> How do i calculate this time window for my location?
> Is there any tool available?

See the Mapping Hacks GPS Visibility Calendar, now online at
http://mappinghacks.com/projects/gpscal/query.shtml. May not work in
IE. If anyone is sufficiently familiar with client-side Javascript to
tell me why not, feedback would be appreciated.

SDE