Classified Leak: RUS Jammers Make HIMARS Useless!!

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[georgestewart]

Whatever broadcasts these jamming signals must be a massive radio frequency emitter, and be a perfect target for HARM missiles.

[idlando]

The same stuff happens in Kaliningrad, where civilian aircrafts lose the GPS when passing by.

[occamraiser]

Yes that's why they all have secondary and tertiary guidance systems - since the early days of Tomahawks.

[johnboie]

All HIMARS rockets have a perfectly functioning and unjammable Internal Navigation System, the reports are clumsily referring to GLSDB, which don't.

[Brian__of_Nazareth]

Dear Paul, as a old style electronic specialist I'd say the following: any jammer needs a lot of energy, is easy to locate. If one develops a guidance system that goes for the jammers energy, the hit of the target is for free so to speak: combine shells and rockets in the first waves with jammer guided ones and you will hit certainly MORE valuable things than the (afterwards un-jammed) follow-up GPS weapons. That's the same with preparation of air strikes: first hit all radar.

[mabotiyn]

So if Himars is useless, why is it hitting airbases, S400 and sunk a ship? If you didn’t know, atacms have inertial navigation. GPS is only needed for launch. I am surprised you don’t know this 🤷‍♂️🤷‍♂️🤷‍♂️

[Stephen-bqnq]

The article didn't say the HIMARS is useless the EW can decrease the accuracy of the HIMARS from 3 feet to 45 feet.

A lot of targets are still destroyed when a HIMARS lands that close.

[ckm-mkc]

When I worked on GPS 15 years ago this was already a thing. It's really nothing new.

[tonyennis]

Blocking GPS is as old as GPS. Nothing new here.

[jpmangen]

And yet HIMARS has been devastating s-400 and airfields left and right. Is the Jamming Russian hype or are they so few as to not make a difference yet?

[luke]

Anything that projects an RF cone a few miles into space should be easy to spot,
Strike on said emitter shouldn't be a big deal if within range of other not solely GPS dependant munitions.

[runem]

A GPS receiver doesn't "ping" or "talk to", it's a passive receiver...all it does is "listen and process" what it "hears".

[kennethmoore]

Jammers work by putting out a stronger signal on a radio frequency than the signal they want to jam. That makes a big noise on the electronic battlefield, that makes them detectable, and if you can detect a radio signal, you can direction-find and pinpoint it. A competent artillery unit can take that jammer out in no time flat. An enthusiastic artillery unit can flatten the whole grid square with a little extra time, whether theyre competent or not.

[dbs]

The jamming is too effective.
It blocks EVERYTHING, even Russian systems.
And it is vulnerable to Wild Weasel attacks with HAARM
,
It's also not effective against internal guidance.

[martinwinter]

Theoretically, this weapon should be able to be located by the jamming signal - like radar-seeking missiles but this will take some time to develop

[sittingingodsglory]

As long as its a stationary target, the projectile will hit on the preprogrammed position

[raybod]

Weapons should be able to still hit target most of time based on internal guidance and map.

[a]

GPS jamming doesn't make the weapons useless, it makes them less effective. The circular error probability increases. But, unless there are winds aloft that effect the weapon after the jamming has become effective, there's still a good chance of a hit from a purely ballistic trajectory.

[SohoComedyClubLondon]

The Russians have been working on GPS jamming for more than 20 years. Back in 2002 or 2003 I talked to the Russian head of weapons testing and acquisition, the equivalent to the head of ODT&E in the US. He was telling me about GPS jamming that they were working on then.

[Ifoughtpiranhas]

In the bigger picture, we now can develop counter-counter measures for Russian (and Chinese) ECM capabilities. That's one of the positives for sending weapons to Ukraine for "proving."