Markus Jonsson @auonsson
Pseudonymous osint. Every system is a sensor if you hold it right. Trying to limit myself to Baltics. https://t.co/dzlz8yLV6f backup 🇸🇪 auonsson.bsky.social Joined January 2022-
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It feels like a dam is finally breaking with respect to GPS jamming. After years of staying quiet, governments are now willing to say, yes, it's Russia doing it, and yes, it is a significant safety issue for commercial aviation.
It feels like a dam is finally breaking with respect to GPS jamming. After years of staying quiet, governments are now willing to say, yes, it's Russia doing it, and yes, it is a significant safety issue for commercial aviation.
Estonia jammer is south-west of St Petersburg, part 2: drone proof! Drone photographer @KristjanLust made this beautiful flight in Narva, pointing east. At altitude 60 meter all GPS is gone. This gives us a new radio horizon. The horizon intersects* with location shown by me.
Kotlin Island Kronštadt, St Petersburg, Russia Curiosity is cursed! Radar system (not EW,SIGINT, COMINT, Jammer GPS or Spoofer GPS): 59.99806650457604, 29.698969350448323 Fitness Tracker Heatmap + Goggle Maps
Kotlin Island Kronštadt, St Petersburg, Russia Curiosity is cursed! Radar system (not EW,SIGINT, COMINT, Jammer GPS or Spoofer GPS): 59.99806650457604, 29.698969350448323 Fitness Tracker Heatmap + Goggle Maps https://t.co/oH1jApayPo
The NAVTEX warnings about surface effect GPS interference/disturbance in South Baltic sea has been unpublished by swedish Maritime authority. Meaning they are over. I think it might have been ships doing this. Waiting for open AIS-data to be published to be able to do analysis.
The GPS-jammer affecting aircrafts around Estonia is located in Russia, about halfway to St Petersburg from Narva, Estonia. This is shown by plotting the highest density of intersecting radio horizons of jammed aircrafts on a map. Further, a drone-based method supports it.🧵
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New pattern unlocked! Apr 27-28 ships experienced GPS-disturbance. Lalique was one of them (she said so over VHF). This is part of her track. The speed changes are too large. Anyone feels like writing python that computes delta-speed/sec for each row in a sqlite3 database?
Super clever way of visualising this
The GPS-jammer affecting aircrafts around Estonia is located in Russia, about halfway to St Petersburg from Narva, Estonia. This is shown by plotting the highest density of intersecting radio horizons of jammed aircrafts on a map. Further, a drone-based method supports it.🧵
4/ An open-source intelligence account focusing on GPS jamming in the Baltic region assessed that the GPS jammer affecting the Estonian flights is in Russia roughly halfway between St. Petersburg and Narva, Estonia. x.com/auonsson/statu…
The GPS-jammer affecting aircrafts around Estonia is located in Russia, about halfway to St Petersburg from Narva, Estonia. This is shown by plotting the highest density of intersecting radio horizons of jammed aircrafts on a map. Further, a drone-based method supports it.🧵
@GNOME_CH0MSKY you know the rough distance to the jammer based on where the plane first felt its effects and its altitude, the circles are just an attempt to triangulate using that
@auonsson It's been inside us the whole time, hasn't it?
@auonsson Have you seen this? x.com/spotkanienames…
Koło Naukowe Nawigator z UM w Gdyni zajmujące się zakłóceniami sprawdziło co się w nocy działo w rejonie Gdyni z sygnałem a raczej brakiem GPS na Zatoce Gdańskiej. Analiza widma częstotliwości L1 GNSS wykazała, że zastosowano precyzyjnie wycelowane
@ArturRehi @auonsson @joni_askola Where are those ‘Jewish space lasers’ when you need them?
@auonsson I wouldn't have a clue what to look for, but this location looks pretty suspicious to me. Especially the 3 very large towers. ??? 59.48640949041191, 28.817079137313748
@auonsson Some kind of EW site here: maps.app.goo.gl/MHdhjBsoBhtdBA…
@auonsson Thank you for your repeated and detailed threads on the subject!
@auonsson Near as I can tell from your map, the area of highest density seems to correspond with a very large forested area where the main 'structure' seems to be clearcuts & logging roads. That might make perfect sense if jammer(s) are road-mobile following similar doctrine to ICBMs?