Dismal Experience with House Locating
by Robert Robinson » Fri, 13 Feb 2004 04:52:42 GMT
GPS map/routing programs are reported to use the same database (USPS in the
USA) for estimations of Lat/Log coordinates based on house numbers.
Locations are typically off by 3-5 houses and may be in error by as much as
two blocks. The only way to avoid this error is to enter the actual Lat/Lon
coordinates for the buildings of interest. This is usually implemented with
"favorites" or "point of interest" routines. This approach lacks the
versatility and ease of use of an address book.
Unfortunately, there is only one known HPC compatible program that includes
user enterable and editable coordinates in an address book format. This is
Garmin's iQue 3600 package. The software has all of the appropriate address
book functions, but it is only available on a Garmin proprietary
software/hardware package. The system uses a Palm handheld computer which
lacks the memory size and computing capability that are required for many
HPC functions.
The present circumstance is thus that there are no known general HPC
software packages that provide the combined address book/coordinate
operations.
Robert Robinson
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