[talk-au] More on the survey tag

[Mark Pulley]

I noticed by chance that a user has been going through the tags  
recently, making lost of changes to the source tags. Several ways have  
been changed from source=GPS to source=survey, with no other obvious  
changes made. According to the changeset comment, the changes have  
been made as "correct errors from tagwatch" or "correct errors from  
validator". Here's a couple of samples from the many in the changesets:

http://www.openstreetmap.org/browse/node/440709534 - toilets at Mount  
Panorama, Bathurst, marked by myself using the GPS to mark the actual  
location.

http://www.openstreetmap.org/browse/way/37450425 - again, the only  
change is in the source tag. There are 356 ways in chis changeset, I  
haven't been through them all but the ones I have are similar changes.

In light of the recent discussion on this list, maybe we should decide  
on which tag to use prior to making extensive changes like these,  
especially as there is so far no agreement on what "source=survey"  
actually means, whereas "source=GPS" is pretty obvious.

Mark P.
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