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![[Post New]](/gforum/templates/default/images/icon_minipost_new.gif) 12/01/2011 22:52:29
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Amgine
Joined: 12/01/2011 22:47:15
Messages: 5
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I'm trying to avoid using the GeoNames weather API to avoid taxing the system, and instead using the NOAA cycles files as they are updated.
However, a decent, clean database of METAR station information is not readily available. May I ask if you have an easy way to extract station id, name, lat, lon from the geonames database? because trying to find the last 600 or so stations via the search API has been a major fail for me.
Amgine
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![[Post New]](/gforum/templates/default/images/icon_minipost_new.gif) 18/01/2011 11:37:22
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marc
Joined: 08/12/2005 07:39:47
Messages: 4501
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you can download the dump and extract the weather stations from the dump.
Marc
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![[Post New]](/gforum/templates/default/images/icon_minipost_new.gif) 18/01/2011 15:12:43
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Amgine
Joined: 12/01/2011 22:47:15
Messages: 5
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Thanks Marc.
I did that, but between 500 and 700 stations reporting daily don't seem to be a part of the Geonames data set, unless they're coded in some way I haven't been able to figure out yet. As this amounts to about 12% of the daily stations, I'd really like to develop the geodata but I'm unsure how to find it out.
Amgine
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![[Post New]](/gforum/templates/default/images/icon_minipost_new.gif) 24/01/2011 22:03:09
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marc
Joined: 08/12/2005 07:39:47
Messages: 4501
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Amgine
You are right some Icao codes are missing. I have implemented a couple of checks to help find the issues: http://qa.geonames.org/qa/ckgGrpAirpIcao.html
Your help in fixing this is welcome.
Best
Marc
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![[Post New]](/gforum/templates/default/images/icon_minipost_new.gif) 25/01/2011 05:22:30
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Amgine
Joined: 12/01/2011 22:47:15
Messages: 5
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I'ma lookin', I'ma lookin'... Thanks for checking into it for me. I thought I must have been impossibly dense and the data was right there in front of me and I just couldn't see it.
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![[Post New]](/gforum/templates/default/images/icon_minipost_new.gif) 25/01/2011 06:55:53
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marc
Joined: 08/12/2005 07:39:47
Messages: 4501
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Amgine
You could start with the iata codes:
http://qa.geonames.org/qa/chkIataCode.html
and then look at the airports with missing icao codes:
http://qa.geonames.org/qa/chkAirportIcaoWP.html
The manual is here: http://www.geonames.org/about.html
Best and thanks for your contributions
Marc
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