Ex electronic warfare commander here, this is possible with jamming, but to be able to achieve this you'd need a massive power source. It's also possible to create many small ghost blobs, it requires less power but still a lot. But modern radar systems have jamming protection, so it might not always work.
Did you invent radar jamming in your head?
I don't think so, radar jamming should look more like this.
Is that marmalade or jam?
Raspberry.
OP:
It's called jamming mate, and it sorta works.
Fun fact: during WWII, the British figured out a way to jam German radar by dropping bales of metal-coated plastic strips (called "chaff" or "Window"), but they held off on using it for more than a year because they didn't want the Germans to figure out the secret and start using the same trick on their radar. Meanwhile, the Germans had also figured out this technique, but they also held out on using it because they didn't want the British to get it.
The Battle of the Beams is a highly interesting and often overlooked detail of WW2.
My favorite part of this was Klein-Heidelberg, a German passive radar system that used the broadcasts from Britain's Chain Home radar stations to precisely locate Allied bomber formations. The Allies knew about it but kept Chain Home operational because they wanted German fighters to come up after the bombers - and get shot down.
Give em the raspberry!
I've lost the bleeps, the sweeps, and the creeps!
Radar works like this; imagine you're playing hide and seek in the woods after dark. You have a flashlight and you think it's a good idea to shine it around looking for your buddies, and if you see them with the flashlight that's the radar dot. Making the dot big is like having all your buddies who are supposed to be hiding also having REALLY BIG flashlights, so bright that you can't see what you're looking at very well.
In warfare the hide and seek game also includes a gun, and even a really bright light still more or less tells you exactly where it's coming from allowing you to shoot at the light until it goes out. Not great for the survivability of the hiders!
The smart hider might set up their jamming light somewhere else so the seeker shoots at nothing, however the lights are still very expensive and they make cheap rockets designed to home in directly on radar and blow it up. The least expensive way overall for the hider to avoid the seeker is for the hider to wear all black clothing and be small.
If anyone suddenly found themselves wondering if it's home in or hone in, from the grammerist.com
"Home in and hone in are different since home in is to direct attention, while hone in is to perfect a skill. The two phrases seem the same because of how they are used in sentences."
It also says hone in is used informally for home in and generally accepted even though it's not really correct usage. "Home in" exists because of the homing pigeons.
hider to wear all black clothing and be small.
Now I'm imagining a chibi style anthropomorphic plane wearing all black clothes trying to be sneaky.
You did this to me.
Ghibli Dust-sprite Plane.
Bounce bounce bounce.
The shy goth plane is making me feel things
I think your browsing habits are what did it to you, Mr. O'Brien. We did not install Warp 10+ fiber connections so you could browse anthropomorphic porn!
Hey now, I just said anthro planes, YOU brought porn into it.
Has there ever been a chibi plane you didn't want to put oil in, Mr. O'Brien? Answer truthfully now.
Planes? Course not.
Maybe Julian, he's always dragging me to the holodeck for some world War 1 and 2 dogfights over Europe.
Don't look at my starship homework folder...
however the lights are still very expensive and they make cheap rockets designed to home in directly on radar and blow it up
why do you hate momma MIC and daddy pentagon and our economy and good paying working class jobs
Here's the idea: A plane that carries a radar emitter so strong that it blows out the receivers on enemy radar towers/SAM sites/ARAD missiles. It's tethered to another plane that carries a nuclear reactor to power it. And another one carrying a cooling system.
(Note: I'm not talking about a radar jammer. Jamming is a chickenshit solution that stops being useful when the jammer stops working. I'm talking about physically destroying the receivers by overloading them.)
The power decreases by the radius squared. A 100mhz pulse transmitted with 1 peta watt of power over 320 km with 30 dbi of antenna gain will have 5.5 mega watts of received power. I'm pretty sure plasma generation will happen at those power levels which will stop transmission all together. Physics gets weird at high power levels.
What you're talking about is essentially an EMP. They don't generally emit continuously. Instead you just set off a single strong pulse which induces such high currents in receiving antennas that they melt or otherwise damage connected circuitry.
At these levels of power, any amount of conductive material tends to start acting as an antenna. If you set up a continuous transmitter you're going to have trouble not damaging your own delivery and power mechanisms.
The most common way to generate one is to set off a nuclear bomb that has been finetuned to release most of its energy as electromagnetic radiation.
The receivers just aren't that delicate, and by the time you're in range to try something fancy and expensive you're also in range to just throw something that explodes at the radar. Believe it or not explosives are insanely inexpensive for governments, especially compared to a death laser like you're envisioning.
Not to mention your death laser is also throwing out huge amounts of the same radio waves that could lead a radiation tracking missile right up your nose.
If there only was a way of throwing something fancy and expensive that explodes and defeats the radar via electronic effects at it from very far away.
Oh wait, there is. Just nuke the ionosphere somewhere above the vicinity of the radar and have the resulting EMP take it out.
Because in this scenario, you would also either fry all of your own equipment, or you use a directed version of your system, which means your Intel is good enough to know where all the radar sites are at, and it that case a single plane with a few missiles can take the sites out.
But is a single plane with precision missiles cooler than a nuclear-powered radar-killing death ray airplane trio? I think not.
Just make sure your other planes stay behind it.
EA-18G: rolls up with a 10M candlepower spotlight and a pocket full of Class 4 lasers
So like maybe I'm dumb, but instead of like electronic warfare, couldn't you disperse maybe some really probably toxic, radar reflecting material or vapor on a radar site?
Like radar sweeps aren't exactly undetectable and they also give their location don't they?
We do that, it's called bombs. We bomb the radar when we can, which makes it not work. If you can get close enough to disperse something, you're close enough to drop a bomb which has the advantage of preventing the radar from working again later.
Radar sweeps do give away their location, and radiation seeking missiles exist whose only job is to lock on to where radar is coming from and make it blow up even if the radar tries to turn off.
As someone else mentioned chaff can also be effective but it's mostly used against missiles with little radars in the nose, to confuse that little radar and make the missile miss.
What IS sometimes done is an electronic warfare plane will fly off to where the strike team isn't and go make a lot of radio noise, so when the strike team comes along the radar is busy looking in the wrong spot. This is how Ukraine sank the Moskva https://en.wikipedia.org/wiki/Sinking_of_the_Moskva , a decoy made noise over at 6 o clock while cruise missiles came in from 9 o clock. Absolutely textbook maneuver!
We bomb the radar when we can, which makes it not work
I'm gonna need to see some peer reviewed source for that, m8
I mean, that's what chaff is.
Ah, well. Guess they figured that out a while ago huh.
EA-18G Growler be like: The enemy cant see me if their retinas are evaporated!
They will just think it is Independence Day
WELCOME TO ERF
The 1980s answer was they also have humans on the ground reporting the plane in the sky. Once they know where you are generally, they can narrow with heat and laser acquisition.
In 2025, I don't know where the tech is.
The large dot could conceivably be unscrambled with code to provide the accurate location of the object.
Not really we do this be already and have since like 1946.
How about instead of one really big dot, you just send lots and lots of tiny dots! How many are there? I don't know!
Drone swarm with flat fronts all around the jet, randomly repositioning so that actual target is never in the same place on the signature?
Maybe if the jet was moving at walking speed
I think we're the green... thingy.
Red thingy moving towards the green... thingy
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