Capability to Search for Local Used Equipment

Audiogon, why not grab the latitude and longitude associated with a zip code when a seller inserts an item for sale into the database. For instance, my zip code is 19144, so if I were to sell something, the Audiogon backend software would so out to http://www.census.gov/cgi-bin/gazetteer?zip=19144 and retrieve the latitude and longitude (40.033773 N, 75.173099 W in my case) and put it in two extra fields in the database. Then, if you do a search from a particular zip code, look up that zip codes lat/long, calculate the criteria of latitude and longitude that would fall in that radius, and query the database for items with lat/long that match that criteria.

Hopefully med school hasn't fried my brain too much so I can still remember enough from my software engineer days.

Michael

If sellers had to list their area code when they list, an area code search could be added in addition to the zip code search. Your local phone directory has a map with all the area codes.

Let's keep it simple. All we really need is a way to enter MULTIPLE 3-digit zip code prefixes (20, 30, however many it takes), and get back a list sorted by catagory. (And please be bookmarkable so it only has to be entered once).

That would fully satisfy me.

This web site will give you a list of zip codes within a given radius of a zip code:
http://www.zipmath.com/zipfinder.html

(By the way, what about Canada? Do any Canadians use Audiogon?)

The telephone area code should do nicely for indexing by local region.

Justdan, I'm from Canada and I believe this system wouldn't be very useful for Canadians. There simply isn't enough people to warrant the need. If Audiogon is at it, then it would be nice to see it, but it would just be icing on the cake!