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1) It seems the maxmind database is getting relatively frequent updates which are causing differences in exact coordinates 2) GeoIP location lookups are not an exact science, I tried to pick some ips which I thought would remain fairly static, but these things are just guesses. 3) Moving to 2 decimal places should give us good enough results for this test, according to: http://gis.stackexchange.com/questions/8650/measuring-accuracy-of-latitude-and-longitude "The second decimal place is worth up to 1.1 km: it can separate one village from the next." "The third decimal place is worth up to 110 m: it can identify a large agricultural field or institutional campus."
iplookup info ------------- 1/ old plugins are not supported anymore 2/ general information in admin settings "Site Administration/Location/Location settings" 3/ technical info: xplanet commadline xplanet -projection rectangular -latitude 0.00 -longitude 0.00 -num_times 1 -geometry 620x310 -output earth.jpeg -quality 90 -config config.txt config.txt [earth] shade=100 original Earth map from: http://www.radcyberzine.com/xglobe/ marker.gif custom made in Inkscape Petr Skoda (skodak), January 2008