Had something to do with downloading the shape files from the census 
site, then using a positioning gadget in Postgres, or something like 
that, to determine which tract the point was in.

Matt Larsen
vistabeam.com

Jon Auer wrote:
> Do you know what he is using to do the census tract lookup?
>
> On Mon, Aug 24, 2009 at 2:03 PM, Matt Larsen - Lists<li...@manageisp.com> 
> wrote:
>   
>> Martha Huizenga wrote:
>>     
>>> Hi,
>>>
>>> I thought there was a way to get Census Tract info in batch, but the web
>>> site I thought I used last time gives me Lat and Long. Can anyone
>>> suggest a free site?
>>>
>>> Thanks!
>>>
>>> Martha
>>>
>>>       
>> I don't know of any free sites that will do a batch of addresses, some
>> out there will do a few at a time.
>>
>> My lead tech wrote a program that takes a batch of customer/GPS
>> coordinates and returns the census tract information for each.   We will
>> actually get our 477 filed this time.
>>
>> Matt Larsen
>> vistabeam.com
>>
>>
>>
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