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Somebody used spoofed ADSB signals to raster the meme of JD Vance

alecmuffett.com

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Re: Somebody used spoofed ADSB signals to raster the meme of JD Vance

#81

Earlier quoted context omitted.

It was sent to ADSBexchange's API, not over RF. No laws were broken.

Yep, as evidenced by the "Source:Other" tag on ADSBExchange. Signals actually sent over the air would show ADS-B, TIS-B, etc, as the data source.

It’s only “other” at the very last point. Go earlier in the track and it shows as “ADS-B”, but every historical real flight in this plane is MLAT (it doesn’t broadcast its precise position but it can be inferred from receivers)

Re: Somebody used spoofed ADSB signals to raster the meme of JD Vance

#83
post #71

Earlier quoted context omitted.

Seems like it wasn't actually spoofed radio signals, but spoofed data collection uploaded to adsbexchange. Still seems unlikely to make the FAA happy, but not as bad. I assume air traffic controllers aren't relying on adsbexchange?

Maybe not "rely" on, but some definitely use public ADS-B aggregator sites.

I highly doubt any ATC on duty is looking at a public ADS-B aggregator as a real time source of information for his or her job.

Re: Somebody used spoofed ADSB signals to raster the meme of JD Vance

#84

As other commenters noted, this is almost certainly not RF spoofing, just sending bad data to an aggregator (ADS-B Exchange) over the internet. This instance of spoofing is notable for being the first that I know of that wasn't primitive vector art or text, but a raster image! In that area of Florida multiple receivers would have picked up actual ADS-B broadcasts. ADS-B aggregators do have various anti-spoofing measu…

Notably, the history of this aircraft shows MLAT as the source for all tracking. This spoof is the first ads-b “track” for this plane. But there’s so much wrong with the data: 50k ft at 80knots (ground speed!) in a 747.

Dang, dude invented a 747 that's incapable of stalling.

Re: Somebody used spoofed ADSB signals to raster the meme of JD Vance

#85
post #71

Earlier quoted context omitted.

Seems like it wasn't actually spoofed radio signals, but spoofed data collection uploaded to adsbexchange. Still seems unlikely to make the FAA happy, but not as bad. I assume air traffic controllers aren't relying on adsbexchange?

Maybe not "rely" on, but some definitely use public ADS-B aggregator sites.

if there is any critical aviation service using a 3rd party website that relies on volunteer reporting of data, they deserve whatever happens

Re: Somebody used spoofed ADSB signals to raster the meme of JD Vance

#87

Earlier quoted context omitted.

Maybe not "rely" on, but some definitely use public ADS-B aggregator sites.

I highly doubt any ATC on duty is looking at a public ADS-B aggregator as a real time source of information for his or her job.

There are non-radar towers that don't have scopes. They may have a traffic display, or maybe not. They might choose to use a public ADS-B aggregator site because it gives them situational awareness, but they don't use it to provide radar services to aircraft. That's my understanding from listening to a lot podcast episodes with air traffic controllers, anyway. I think it's an unofficial, non-FAA approved kind of thing that can make their jobs easier.

See https://www.faa.gov/air_traffic/publications/atpubs/atc_html... for non-radar ATC procedures.

Re: Somebody used spoofed ADSB signals to raster the meme of JD Vance

#88

As other commenters noted, this is almost certainly not RF spoofing, just sending bad data to an aggregator (ADS-B Exchange) over the internet. This instance of spoofing is notable for being the first that I know of that wasn't primitive vector art or text, but a raster image! In that area of Florida multiple receivers would have picked up actual ADS-B broadcasts. ADS-B aggregators do have various anti-spoofing measu…

Notably, the history of this aircraft shows MLAT as the source for all tracking. This spoof is the first ads-b “track” for this plane. But there’s so much wrong with the data: 50k ft at 80knots (ground speed!) in a 747.

Must be a strong headwind!

Re: Somebody used spoofed ADSB signals to raster the meme of JD Vance

#89

As other commenters noted, this is almost certainly not RF spoofing, just sending bad data to an aggregator (ADS-B Exchange) over the internet. This instance of spoofing is notable for being the first that I know of that wasn't primitive vector art or text, but a raster image! In that area of Florida multiple receivers would have picked up actual ADS-B broadcasts. ADS-B aggregators do have various anti-spoofing measu…

Just because I don't often get a chance to talk about this, I'll mention that there was a malfunction/accident/bug that caused what you might call spoofed signals to go out around Long Island and New York. Really interesting case where it seems that an FAA system wasn't handling magnetic declination correctly, which led to it generating false TIS-B targets that were rotated 13 degrees from real aircraft positions, from the radar antenna point of view: https://x.com/lemonodor/status/1508505542423064578

(TIS-B is a system that broadcasts ADS-B-like signals for aircraft that are being tracked by radar but either don't have ADS-B Out or otherwise might not be picked up by other aircraft with ADS-B In, e.g. maybe they're at a low altitude.)

There have been a couple other incidents with the TIS-B system. E.g. this apparent test near Dallas in 2022 that generated dozens of false targets in an interesting pattern: https://x.com/lemonodor/status/1481712428932997122 There was a similar incident around LAX several months later.

Re: Somebody used spoofed ADSB signals to raster the meme of JD Vance

#90

Earlier quoted context omitted.

I highly doubt any ATC on duty is looking at a public ADS-B aggregator as a real time source of information for his or her job.

There are non-radar towers that don't have scopes. They may have a traffic display, or maybe not. They might choose to use a public ADS-B aggregator site because it gives them situational awareness, but they don't use it to provide radar services to aircraft. That's my understanding from listening to a lot podcast episodes with air traffic controllers, anyway. I think it's an unofficial, non-FAA approved kind of thin…

> They might choose to use a public ADS-B aggregator site because it gives them situational awareness

I do not understand what the upside is, aside from saving a tiny amount of effort and cost -- they could get the same data with more reliability by just running their own ADS-B receiver, without having a dependency on a third-party.

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