Electronic Warfare: East vs West

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underscan

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Unread post16 Apr 2020, 04:29

Got some interesting information.

https://www.c4isrnet.com/electronic-war ... atellites/

"The authors of that report concluded that the system is likely able to jam C-,Ku- and X-band frequencies, and that it primarily targets communications satellites operating in geostationary orbit."

I find this pretty dope considering its a land based jammer that can jam 30,000km+ altitude satellites.

also https://www.thespacereview.com/article/3809/1

Electronic warfare is also one of the missions studied by KB Arsenal for the one-megawatt TEM project under the previously mentioned Yadro research program in 2017–2018. As is known from the tender documentation released for Yadro, Roscosmos ordered participants in the tender to look at EW payloads capable of interfering with “control, intelligence, communications and navigation systems.” KB Arsenal proposed an EW payload with a maximum mass of five tons and a power source generating between 100 and 1,000 kilowatts. The dimensions of the EW antenna were given as 10 x 2.5 x 0.4 meters in “transport mode.” The only other missions in Roscosmos’ specifications for Yadro were remote sensing, directed energy transfer using lasers, communications, and interorbital transport of payloads.[33] The solar system missions widely advertised for the one-megawatt TEM in the early years of the project were notably absent from the objectives.

With antenna and energy estimates given, can someone provide its effective jamming range in space?
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zhangmdev

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Unread post16 Apr 2020, 05:24

GPS is routinely jammed by ground based devices, because its signal is very weak when reaching ground.

Space-based EW is nothing new. The US has large listening posts sitting on GEO right now. An active jammer by nuclear power is new. 1 megawatt is a lot for a satellite, the ISS power generation capability is about 248 kw, but by the inverse square law, that may not be powerful enough to beat an adversary a lot closer to the battle field.
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boogieman

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Unread post04 Jun 2020, 12:58

A solid overview of Russian EW capabilities, doctrine and structure:

https://www.foi.se/rest-api/report/FOI-R--4625--SE
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boogieman

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Unread post28 Jun 2020, 15:21

Another good overview:



I think the greatest concern (to my mind) about all of this is not just the fact that the Russians have a whole host of EW platforms with no western equivalent, but that they are well into the practice of integrating this capability with their kinetic systems and developing doctrine to make it all work. I could see this producing nasty surprises for us in a notional conflict.
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nastle

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Unread post28 Jun 2020, 23:08

can anyone please point to a source [in english] that details soviet jamming capabilities [air and ground based ] during the late cold war era 1975-1990

thanks
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boogieman

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Unread post29 Jun 2020, 01:29

nastle wrote:can anyone please point to a source [in english] that details soviet jamming capabilities [air and ground based ] during the late cold war era 1975-1990

thanks

Take the following with a grain of salt, as APA are notorious for their agenda-driven analysis of Russian equipment:

https://www.ausairpower.net/APA-REB-Systems.html

That said, the topic is significantly removed from their usual anti-F35 hobby horse, so the piece should be more reliable than most of their other material.
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weasel1962

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Unread post29 Jun 2020, 02:00

Can't use today's terms. Back in those days, the term used with the Soviet EW was "radio electronic combat". If you google that, you'd get a lot more resource.

There are 2 major aspects of it. First is strategic. Its the use of REC to achieve surprise for a Europe attack. The second would be tactical i.e. individual pieces of equipment e.g. bear aircraft jamming. The scope is broad so its too much to post esp as its a major area of research/interest during those days. If the question is narrowed, then it might make it easier to post specific resources that might address the question.
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