Russians are told that they can jam the GPS. The war in Ukraine has shown that jamming the GPS is not as easy as people think. The communication between GPS and satellite happens with multi-channel radios. So the system uses multiple frequencies at the same time.
That's why jamming the GPS is more difficult than people expect. The data security of those systems is very important. And maybe NATO uses different GPS in exercise than in real situations. That makes jamming of those systems extremely difficult.
When people are looking at the Russian sea-launch missiles they are not very accurate. There is the possibility that small drones or special warfare teams are taking the radar transponders to targets. That thing makes targets seem brighter on the radar of the missile. And people expected Russians have those transponders. That thing can give the radar-homing missile higher accuracy. But Russians seem to have not those transponders.
The problem with HiMARS and other precision-guided weapons is that if Russians get one of them. They can find out those frequencies. Another thing is that Ukraine will not maybe need anything more than 20-50 HiMARS launchers. People always asked, why Ukraine would not get let's say about 300 HiMARS? Have you ever known about the apportioning of firepower?
That means the firepower would be limited to the necessary level. The GPS tells the precise point of the HiMARS to the deliverer of the system. But there is always the possibility that some Ukrainian criminals try to sell those weapons to Russians. Those weapons cannot use against Ukrainians or NATO. But they can give information about what the Russians need to break the GPS.
The answer is there is always the possibility. Those Russians capture those systems. Another fact about the HiMARS is that weapon manufacturers are making more of them if there is a need for those systems. When we are talking about the HiMARS and other types of weapons we must realize that the U.S stockpile of those systems is not public information.
And there is always the possibility that some Wikipedia data about those systems is wrong. Another thing is that the only allowed sources for comments on the war are public data. Uncovering classified information can cause big problems for national security. So Wikipedia and some FAS.Org type pages are allowed sources. The classified and top secret files are not public sources. They are not also allowed to use in commentations. The links below this text are going to news that is in Finnish.
https://www.msn.com/fi-fi/uutiset/other/himars-iskee-kuin-kirurgi-skalpellilla-miksi-ihmeess%C3%A4-usa-on-antanut-raketinheittimi%C3%A4-ukrainalle-niin-v%C3%A4h%C3%A4n/ar-AA101Hz9?ocid=msedgdhp&pc=U531&cvid=71f4ac856913452195d799604307c6c0
https://www.mtvuutiset.fi/artikkeli/venaja-julisti-ennen-sotaa-pystyvansa-sokeuttamaan-lansimaiden-gps-kaluston-vaisu-lopputulos-kiteytyy-tahan-kuvaan/8476944
Image: https://spaceflightnow.com/2014/12/18/newest-gps-satellite-goes-active/
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