Assuming you're asking about storing them in the database, I will differ from Roy here and suggest saving them into to floating-point-number fields. That's always seemed to me to be to be the bets way to go (one discrete data element per field). 

I also feel combining is easier than parsing, but that's just me. :)

--Joel


Joel Richard
Lead Web Developer, Web Services Department
Smithsonian Institution Libraries | http://library.si.edu/
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On Jun 28, 2012, at 3:04 PM, Roy Tennant wrote:

> Myself, I'd go with LAT,LONG. in decimal notation, with preceding plus
> or minus when appropriate. Easy to parse and Google Maps ready.
> Roy
> 
> On Thu, Jun 28, 2012 at 11:57 AM, Mark Jordan <[log in to unmask]> wrote:
>> code4libers:
>> 
>> What's the best (i.e., most standardized and flexible) format for storing single-point geocoordinates? Pages like http://www.maptools.com/UsingLatLon/Formats.html offer too many choices.
>> 
>> TIA,
>> 
>> Mark