This news goes around in ballooning circles fast: Great new feature, dear Windy-Team. Thank you very much, Much appreciated - and keep the great work up!
Hot Air Balloon Pilots
Posts
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RE: Trajectories in Version 50 (Desktop)
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Trajectories in Version 50 (Desktop)
congratulations for integrating trajectories
really appreciated!
Michael & the rest of the ballooning cabale

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Service idea: offer an MCP server
so LLM's can talk to windy
maybe premium only, or API customer only
-m
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RE: traj: could you please integrate this function into Windy core for good?
@Gregy1403 same here
this is getting out of hand and I feel a lack of attention to the matter
so: time for traj alternatives, open-meteo and stock leaflet has all the moving parts we need
contact me directly if you want to chip in
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RE: Aircraft adsb
Have a look at this SvelteKit app: https://github.com/ISmillex/adsb-flight-map.git - worked on first try for me, maybe a base for you
This renders in 3D using Cesium and not 2D/Leaflet but the fetch/decode/display logic should apply
it cleverly uses several open sources of ADS-B data

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RE: traj: could you please integrate this function into Windy core for good?
@Lukas-Cesna works again on desktop, both standard and leafGL versions - not mobile yet
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RE: Aircraft adsb
I'm not aware of any Meteo app which actually uses the ADS-B wind speed and wind direction data as a source of measurement, if you will.
It would certainly be interesting to compare those vectors to forecast vectors at the flight's altitude - it would give some confidence to the likelihood of a forecast being close to reality.
That said, I have no bearing on the reliability of these reported vectors. Maybe some pilots could comment?
This is what Grok has to say on the issue: https://grok.com/share/bGVnYWN5_3d13d62e-fb05-4320-8037-6ac4a98fec86
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RE: traj: could you please integrate this function into Windy core for good?
@Lukas-Cesna confirmed - standard version
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RE: Aircraft adsb
@Gkikas-LGPZ No, I was referring to standard ADS-B messages like the ones in https://airplanes.live
they use the same decoding software readsb like most other ADS feeding service (adsbexchange, fr24, flightaware etc) so the fields are pretty much standard.
Some of the data fields like wd and ws might be nteresting: https://airplanes.live/rest-api-adsb-data-field-descriptions/
Airplanes.live is one of several community-based sources, like https://adsb.fi and https://www.adsb.lol
OpenSky might be a feed alternative, but they discourage live tracking and seem more research-oriented: https://openskynetwork.github.io/opensky-api/
If I were to integrate ADS-B into Windy core, I would go for an arrangement with ADSBexchange.
Michael
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RE: Aircraft adsb
@taarnby https://airplanes.live/api-guide/ would be a starting point.