Deprecate this data about xcsoar-data-content HOT 6 CLOSED

I see your point, but at the same time it makes sense to have a source of data that is under our control, so we know it won't go away all of a sudden and that it has clean, usable data in it.

Unless there's a clear alternative out there, I think we should keep it, and if need be look into the merging of data you mention. That is, some scripts that pull in and merge data from other sources, but still into our own repository so that we have it nicely contained.

I've heard numerous times how cool people think it is when they can just hit a button in XCSoar and select data to download - Everyone I know who knows about it thinks it's awesome :)

PS: You are and have been doing one heck of a job with it!

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I check coordinates for almost all airfields, particularly the more obscure ones. They are all spot on so far.
I am checking most landing fields in Google Earth. Some surprises there. Some of them are completely covered with solar panels now. Ugh. I am removing these of course.
I will attach a list of the maor changes at the end, including deleted landing fields, fields with maor changes, and fields with no frequency, the majority of them UL fields.

Kai

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I guess we are mostly on our own here.
I am sitting down in the evenings now and grinding systematically through the German airports for the radio channel updates, but also general cleanup, and adding ICAO codes.
Really tedious because the DFS frequency list is still woefully incomplete. So looking up OpenAIP and the DFS AIP (which does not list non-ICAO airfields :( ) and looking for websites of the operators.

Kai

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@hor63 thank you for doing this.

Please also have a look at horst's data:
https://www.how2soar.de/index.php/downloads-navi-daten-und-anderes/navi-daten/download-von-navi-daten

He has been cultivating a process with quality checks and reviews of coordinates via google earth. HIs process is described on the homepage. I think his coordinates are quite accurate, but airfield data might not be up to date, especially due to the frequency changes.

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I suggest that we close this issue. I don't see how there's any other place to get the same quality data as this repository provides, and besides making sure it's in a somewhat controlled fashion we also have control over what type of data it includes. Even if we were to find some other resource, it's like any other system, it may meet the majority of our use case, but lack the rest. I personally think that we should simply keep this repo. If other alternatives pop up with time, we can revisit. But there's little point in keeping this issue open.

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There is some thing we could get from other sources:

• airfields: openaip (we need to talk to them about including their data)
• outlandingfields: landewiesen.streckenflug.at (we also need to talk with them)
• mountain tops / passes, churches, train stations: from OSM
• thermal

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