6 Jan
2021
6 Jan
'21
10:32 p.m.
On Wed, 06 Jan 2021 20:52:13 +0100
deloptes <deloptes(a)gmail.com> wrote:
Stefan Krusche via tde-users wrote:
EDDI;10;384;Berlin-Tempelhof;;Germany;6;52-28N;013-24E;52-29N;013-25E;50;49;P
A quick check of Wikipedia shows that Berlin Schönefeld is now part of
Berlin Brandenburg Airport (the "new airport"), which has inherited
Schönefeld's ICAO code but has a different IATA code.
The first element of the lines in the stations.dat file is the airport or weather
station ICAO code, second and third seem to be the WMO ID code,
fourth is city, fifth is US state (if the location is in the US), sixth is country,
seventh I'm not sure of (possibly a numeric code for "continent" or
similar),
8-11 are location (latitude and longitude), 12-13 are probably elevation
(min-max? above sea level, in meters), and I'm not sure about the trailing slot
that sometimes has a P in it (it may have something to do with whether or not
the station is permanently manned, but not all countries seem to use it). The
file is stored verbatim in git, so it isn't being created programmatically and
might easily be out-of-date.
The important identifiers are probably the first three slots. Since Schönefeld
and Brandenburg both have ICAO code EDDB, it's possible that it's the
WMO code that needs to be changed from 10385 to whatever Brandenburg's
been issued, if it's different. Or it may just be that the system is confused by the
existence of what are technically two different entities using EDDB as ICAO
code—I don't think those codes are usually reissued.
E. Liddell
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I had a look into it…
$ grep Berlin /opt/trinity/share/apps/kweatherservice/stations.dat
EDDB;10;385;Berlin-Schoenefeld;;Germany;6;52-23N;013-31E;52-23N;013-31E;47;50;P
EDDT;10;382;Berlin-Tegel;;Germany;6;52-34N;013-19E;;;37;37;
KBML;72;616;Berlin, Berlin Municipal Airport;NH;United
States;4;44-34-34N;071-10-43W;44-34-41N;071-10-49W;353;345;
Now the question is: why does Berlin-Schönefeld not show up in the list
which kweather offers to choose stations from?
BTW, is there any documentation of the format of this file? Is it also
retrieved from noaa.gov? Or created dynamically?
Better look into the code. The code uses
https://tgftp.nws.noaa.gov/data/observations/metar/stations/
and whatever your mapping is - so it might be we need update for a mapping
for Berlin if the DB @noaa.gov was updated.
I have no idea what corresponds to Berlin-Schoenefeld. Is Berlin-Schoenefeld
the new airport there? I heard lately in the news they managed to finish
and open it, but not exactly sure which is the new one.
and may be we have to check the date of the data and display a warning if it
is not recent enough.