• How precise is the data supposed to be? I've dabbled a bit with post code stuff myself and some postcodes only differ at the fourth decimal place. For example EN11 9FP has a latitude of 51.77572N and EN11 9FQ has a latitude of 51.77557N. If you're not careful the closest match might not be the right place.


    On two occasions I have been asked, "Pray, Mr. Babbage, if you put into the machine wrong figures, will the right answers come out?" ... I am not able rightly to apprehend the kind of confusion of ideas that could provoke such a question.
    —Charles Babbage, Passages from the Life of a Philosopher

    How to post a question to get the most help http://www.sqlservercentral.com/articles/Best+Practices/61537