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Interactive world map showing levels of GPS interference and jamming globally:
https://gpsjam.org/
I find this sort of thing fascinating for something that has almost no impact on my life.
Details on how it works here
https://twitter.com/lemonodor/status/1553097820860600320?s=21&t=jJbU3N_nSPVyMoH2DirU4A
GPS is American, Glonass is Russian, Galileo is European, Beidou is Chinese.
Garmin will work off different satellite systems so you should be fine 🙂
According to https://gpsjam.org/faq/
a) "Testing of military jamming systems outside of conflict zones (common in the southwestern United States)"
b) "Jamming systems used to protect Russian oligarchs from drones"
Both a and b apply
What tyres for Moscow?
a) “Testing of military jamming systems outside of conflict zones (common in the southwestern United States)”
Nevada?
I find this sort of thing fascinating for something that has almost no impact on my life
@Riksbar Me too
I find this sort of thing fascinating for something that has almost no impact on my life
It's interesting because it's the ubiquitous nature of GPS these days that means it doesn't have an impact.
Before the days of cars, phones, watches, and even keyrings having GPS the signal was routinely scrambled to make the margin for error somewhere in the order of 50m. Just about accurate enough to stop airplanes or ships from colliding or send out a rescue to you, not accurate enough that you could guide munitions with it. If you wanted something more accurate you either needed the hardware and codes to unscramble the signals, or a D-GPS system that picked up a second radio frequency form a transmitter on the shore which transmitted it's fixed position, and the offset it observed in the GPS signal.
The USA only removed the random errors from GPS in order to make the European/Russian/Chinese systems slightly less ubiquitous. So they can still foil your plan to overthrow a government using your old AA powered eTrex, just not anything more modern that uses multiple systems.
Before the days of cars, phones, watches, and even keyrings having GPS the signal was routinely scrambled to make the margin for error somewhere in the order of 50m. Just about accurate enough to stop airplanes or ships from colliding or send out a rescue to you, not accurate enough that you could guide munitions with it. If you wanted something more accurate you either needed the hardware and codes to unscramble the signals, or a D-GPS system that picked up a second radio frequency form a transmitter on the shore which transmitted it’s fixed position, and the offset it observed in the GPS signal.
Not quite.
It was called selective availability and they wandered the civilian GPS system in slow circles. The military system (a separate encrypted signal from the same systems, which has higher accuracy) was unaffected - but only available to those with military GPS receivers.
In the end they switched off selective availability as no one wanted to make military GPS receivers and the price of civilian ones was plummeting as people produced integrated GPS chipsets. Plus you could just correct for the slow wander using a local reference point or differential GPS.
I suspect Moscow are worried about the latest GPS guided rocket launchers which the US have provided to Ukraine, although they haven't as yet given them the longer range missiles. The middle range rockets have staggering accuracy, hitting a bridge a few metres wide from 50 miles away!
Garmin will work off different satellite systems so you should be fine
Not quite true. Garmin is the manufacturer. It totally depends on what device you have as to what GPS systems they will work with.
My bad, Bill
GLONASS wasn't adopted by Garmin for GNSS devices until about 8 years ago
Garmin will work off different satellite systems so you should be fine
Most GPS chipsets use all available systems when they were designed. Only very old devices will be genuinely GPS only....
The middle range rockets have staggering accuracy, hitting a bridge a few metres wide from 50 miles away!
Yes, but they were aiming for a power station.