[HN Gopher] Soviet radar hidden in Chernobyl's shadow
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       Soviet radar hidden in Chernobyl's shadow
        
       Author : wglb
       Score  : 145 points
       Date   : 2020-03-12 19:40 UTC (1 days ago)
        
 (HTM) web link (www.bbc.com)
 (TXT) w3m dump (www.bbc.com)
        
       | mechhacker wrote:
       | I was there a few months back.
       | 
       | If you go on the day-long Chernobyl tour from Kiev, they will
       | take you into Pripyat as well as the Duga radar installation.
       | 
       | It's a very interesting trip.
       | 
       | I took some photos inside the radar control building. They had a
       | lot of soviet era electronics laying around, as well as pictures
       | of expected U.S. missiles that they were meant to track.
       | 
       | https://thesolidconcept.com/a-trip-to-chernobyl/
        
         | folli wrote:
         | I really enjoyed the read, thanks!
        
       | walrus01 wrote:
       | People have flown FPV quadcopters around it:
       | 
       | https://www.youtube.com/watch?v=YhJpdCZNSDc
        
       | trevyn wrote:
       | TLDW: A 1970s over-the-horizon radar for ICBMs that apparently
       | didn't work very well.
       | 
       | https://en.m.wikipedia.org/wiki/Duga_radar
        
         | rrmoelker wrote:
         | I couldn't quite figure out from the video if it was an early
         | launch detection system and/or a signal jammer. Cause the video
         | mentions both.
         | 
         | A cursory glance at the Wikipedia article also didn't clear it
         | up. Does anyone know?
        
           | reportgunner wrote:
           | From reading the wikipedia article it seems like it was
           | primarily a launch detection system that had a side effect of
           | jamming signal.
        
           | sciurus wrote:
           | It was a detection system, but it operated on frequencies
           | that already in use by shortwave broadcast stations (much
           | more prevalent then than now), amateur radio operators, etc
           | and interfered with them.
           | 
           | You can get more details on how it and similar systems work
           | at https://en.m.wikipedia.org/wiki/Over-the-horizon_radar
        
         | saber6 wrote:
         | Fun fact: The radar in PUBG was based off the Duga radar.
        
       | greatartiste wrote:
       | The Russians have just started transmitting from a new OTHR
       | called Konteyner ..
       | 
       | https://planesandstuff.wordpress.com/2020/02/25/russian-othr...
       | 
       | also ..
       | 
       | https://planesandstuff.wordpress.com/2020/03/06/konteyner-fo...
       | 
       | The HF bands are full of OTHRs at the moment. There are Russian
       | ones , Iranian ones and a British one from Cyprus among many
       | others.
        
       | jve wrote:
       | Thar guy takes out his phone and says something along the lines
       | that the phone is way better than that, believe me.
       | 
       | Really? Is phone hardware capable of transmitting that far? I
       | have hard time believing that. Processing power? Sure.
        
         | DonHopkins wrote:
         | Of course it can transmit that far, it just takes a few hops.
         | 
         | What he was actually comparing the phone with was the so-called
         | "huge computer" that processed all the data wires coming from
         | the radar receiver sensors, not the radar transmitter itself.
         | 
         | 4:25> Each radio receiver has lots of sensors. Each sensor has
         | to be supplied with data wires and power. All data wires were
         | going to the main control centre. It looked like a huge (let's
         | say) computer. But believe me, this thing (waves phone) is much
         | better than anything here. (laughs)
        
       | timeattack wrote:
       | Whenever I read, see or, especially, visit such enormous
       | abandoned man-made objects I have very specific feeling which is
       | hard to put in words. Some wild yet soothing blend of awe and
       | fear.
       | 
       | Does anyone else experience it? Is there a name for such feeling?
        
         | mesofile wrote:
         | Really I think you're just describing awe, which as
         | traditionally defined [0] always included (or at least,
         | certainly did not preclude) an element of fear. This seems
         | completely natural to me, but I grew up with a sort of old-
         | fashioned understanding of certain English words. The use of
         | the adjective 'awesome' in recent decades has perhaps helped
         | people to forget its negative connotations.
         | 
         | [0] "an emotion variously combining dread, veneration and
         | wonder" https://www.merriam-webster.com/dictionary/awe
        
         | jmnicolas wrote:
         | I once watched a old black and white video on YouTube of an
         | Ekranoplan (ground-effect vehicle) flying / gliding on the sea.
         | 
         | I was terrified the whole time and I'm still terrified if I
         | look at it again. I have no idea why (I can watch any military
         | hardware video without any fear).
        
           | nitrogen wrote:
           | Videos I've seen of the sound of an A-10 firing its main gun
           | can inspire similar feelings, particularly when you hear the
           | supersonic crack of the individual rounds before the rumble
           | of the gun itself.
        
           | paulmd wrote:
           | I mean, it is conceptually kind of a nerve-wracking thing to
           | fly. It's a plane that is constantly two seconds from nailing
           | the ground/sea and crashing. And as you're ripping along at
           | 300 mph you have to constantly scan for any ships that might
           | be in your way, because you can't just fly over them.
           | 
           | One of the noted problems with it was pilot fatigue, for
           | exactly this reason.
        
             | nradov wrote:
             | Ground effect aircraft are usually designed with enough
             | extra power available that they can temporarily climb to
             | higher altitudes to avoid surface obstacles or high waves,
             | at the cost of increased fuel consumption.
        
         | jellyksong wrote:
         | The sublime.
         | 
         | https://en.m.wikipedia.org/wiki/Sublime_(philosophy)
        
         | rubenrails wrote:
         | Probably you're already familiar with it, but if not, you'll
         | love this:
         | 
         | https://www.reddit.com/r/AbandonedPorn/
        
         | t3rabytes wrote:
         | Same here, I also have the same feeling in very large rooms
         | when I'm not on the floor -- say an engine room in a ship.
        
         | ericwood wrote:
         | This definitely resonates with me. These sorts of constructions
         | have been an obsession of mine for as long as I can remember.
         | There's a very specific feeling they conjure that I've never
         | been able to put into words either, and I'm guessing it's
         | similar to what you're feeling! There's definitely a morbid
         | curiosity aspect to it which is why seemingly sinister things
         | like this (or my fave, 33 Thomas St) have even more appeal.
        
           | hypertexthero wrote:
           | In case you have not heard of it: The video game Control is
           | set in a building inspired by Oldest House:
           | https://en.wikipedia.org/wiki/Control_(video_game)
        
         | dylan604 wrote:
         | I've seen this used as a location in movie/tv show. It was used
         | as the wall/barrier/border. I can't remember which one though.
         | If it was not the actual Russian site, it had to have been the
         | source of inspiration for the artists working on the show. I
         | had to pause the show to look up images of the antenna array
         | for comparison, and it was spot on. Just wish I could remember
         | the title to look for screen shots.
        
           | ikura wrote:
           | I think you're thinking of the movie "Divergent"
        
             | dylan604 wrote:
             | Yeah, I think that was it. Thanks. Pretty sad that I
             | remember nothing about the movie except this minor thing.
             | 
             | https://www.tumblr.com/search/divergent%20locations
        
         | creeble wrote:
         | Totally. It's like that sound obsession thing, what's it
         | called?
         | 
         | It's a deep, weird variation of _awe_.
         | 
         | Btw, the US PAVE PAWS [0] doesn't quite do it, maybe not big
         | enough. Weird though.
         | 
         | [0] https://www.peterson.af.mil/News/Photos/igphoto/2001504934/
        
         | yetihehe wrote:
         | Probably you mean kenopsia[0]?
         | 
         | [0]
         | https://www.dictionaryofobscuresorrows.com/post/27720773573/...
        
           | DonHopkins wrote:
           | That's the perfect word to describe many cities and public
           | spaces today.
        
           | casefields wrote:
           | So that's what I feel on massive sound stages that are dark
           | after we are done shooting for the day.
        
       | stevehawk wrote:
       | The secret radar? The massive, seen from the air, heard on the
       | radio, reproduced in one of the top selling games of the last few
       | years (PUBG) radar is a secret?
       | 
       | I can't wait to hear about the secret arch built in St Louis for
       | the World Fair.
        
         | rospaya wrote:
         | So secret that I booked a trip there a year ago and visited.
         | And knew about it beforehand.
        
         | finleymedia wrote:
         | Pictures of the radar array show up on Reddit r/AbandonedPorn
         | all of the time. People have climbed on top of it for pictures.
        
           | KaiserPro wrote:
           | not when it was turned on though...
        
         | wglb wrote:
         | The signals were not secret, the physical structure was not
         | necessarily viewed in the west until satellites took pictures.
         | Certainly the mission in all its details and expectations are
         | still classified and therefore secret.
        
       | teeray wrote:
       | It was apparently informally known as "the woodpecker" because of
       | the sound of the interference it would make. It's interesting to
       | read the amateur radio community's response to it at the time:
       | https://www.qsl.net/n1irz/woodpeck.html
       | 
       | > "If you want to screw up a radar signal, all you have to do is
       | send a return signal on its frequency which blocks out the echos.
       | Hams, from the earliest woodpecker days, have been driving the
       | monster off their bands by getting on the frequency and sending
       | properly spaced dots back. The screen somewhere in Russia blanks
       | out and the operators utter some Russian oaths and change the
       | frequency to get rid of the interference."
        
         | xxpor wrote:
         | The opposite behavior is kind of scary. What prevents someone
         | from faking a "missile echo" response?
        
           | paulmd wrote:
           | wikipedia says the transmitter used a pseudorandom sequence,
           | so unless you could copy the PRNG output then you couldn't
           | predict the sequence and generate appropriate returns.
           | 
           | Amateurs would just jam the whole frequency so the radar
           | couldn't hear any returns at all.
        
           | oliveshell wrote:
           | What the Hams are doing is radar jamming/interference; it's
           | not the ability to make the radar screen show whatever you'd
           | like. That would be much, much, much more difficult (if it's
           | even possible).
           | 
           | As far as this sort of spoofing between nation-state actors,
           | discussion is difficult because both the U.S. and Russia have
           | been developing sophisticated 'electronic countermeasures'
           | [1] for decades, and all their most interesting capabilities
           | in this regard are certainly classified.
           | 
           | [1]: https://en.wikipedia.org/wiki/Electronic_countermeasure
        
             | jeherr wrote:
             | Put a reinforcement learning network on the task to
             | recreate signals from a radar with a ham radio and see if
             | it can learn it. That would be pretty sweet.
        
         | dbcurtis wrote:
         | Well, that is kind of stale news. The sending of a few dots
         | worked for a few weeks. I even participated. But a pack of
         | angry hams sending dots was worse than the woodpecker. But
         | anyway, after moving off the ham bands for a while, the
         | woodpecker came back with a chirped signal. That was
         | essentially unjammable.
         | 
         | Over-the-horizon HF radar needs to closely follow the MUF,
         | staying just under it. So the woodpecker would drift up and
         | down through the ham bands as the day want on.
        
           | femto wrote:
           | I was working on the Jindalee OTHR at the time. We used to
           | sit in the control room listening in on the Woodpecker. We
           | also had quite a bit more power then the HAMs (beamformed) so
           | they didn't ignore us.
           | 
           | (Jindalee also stayed clear of the HAM bands. The radar had
           | frequency exclusion tables built into it and there was a
           | switch which allowed the tables to be overridden if
           | necessary. A number of techs were HAMs and made sure the HAM
           | bands were respected.)
        
       | dboreham wrote:
       | I've visited, including inside, the US equivalent :
       | https://en.wikipedia.org/wiki/AN/FPQ-16_PARCS
       | 
       | This was before 9/11. Probably these are no longer allowed, but
       | they would have an annual "open house", and my wife is from that
       | area (which is sparsely populated) so we'd pop in. Inside I saw a
       | 16-CPU parallel processing system developed by Western Electric
       | specifically for this project in the late 60's (still operating).
        
       | vsnf wrote:
       | I've visited this radar installation - of course, as another
       | poster pointed out it was an OTH missile detection system. But a
       | fun conspiracy theory floated by my guide was that this
       | installation was intended as a Soviet weather control experiment.
       | The evidence for that, such as it can be considered, was that
       | allegedly there were supposed to be 12 reactors at Chernobyl, not
       | just the famously exploded Reactor 4, which would have been an
       | immense amount of energy production capability for one single
       | location. Additionally, the nearby Pripyat was inhabited by the
       | brightest of the bright, most elite of the Soviet population in
       | an already highly secret portion of the Soviet Union. Who better
       | to attempt that sort of endeavor? Plus, what powerful government
       | doesn't wish it could control the weather?
       | 
       | Whether or not it's true, it clearly didn't work. But it sure is
       | fun to think about.
       | 
       | edit: typos
       | 
       | Also, while I was there I picked up some forgotten artifacts in
       | the form of old computer operations manuals, including one for
       | the Russian ES EVM, which was a copy of the System/360. I scanned
       | all the pages, maybe it would be interesting some people here:
       | https://chernobylbooks.netlify.com/
        
         | dylan604 wrote:
         | The US had HAARP[0] which was researching use of high frequency
         | radio waves in the upper atmosphere which was also surrounded
         | by conspiracy theories. One theory was that HAARP was
         | responsible for the massive flooding in the early 90s of the
         | Mississippi river due to the Jet Stream to severely change
         | course due to the effects of HAARP. Another was that HAARP
         | opened up a hole in the atmosphere which allowed a small
         | portion of Alaska to receive a much more intense dosing of
         | solar radiation.
         | 
         | [0]https://en.wikipedia.org/wiki/High_Frequency_Active_Auroral_
         | ...
        
           | [deleted]
        
           | jlj wrote:
           | HAARP isn't the same type of installation as the Soviet
           | example in the article. It is a radio transmitter, not used
           | for radar.
           | 
           | Alaska had the "dew line" which was an installation similar
           | to the Soviets for detection of ICBM's. It covered the
           | perimeter of the horizon towards Russia.
           | https://en.m.wikipedia.org/wiki/Distant_Early_Warning_Line
           | 
           | Clear AFB in Alaska has (maybe had) an operational radar
           | station that looks very similar to the Russian one. Saw it in
           | person a few times driving by as a kid. Not sure if it still
           | exists or was upgraded with something smaller.
        
             | dylan604 wrote:
             | Sorry, wasn't trying to compare HAARP to Woodpecker by like
             | for like purposes. I was mentioning more on totally odd
             | radio installations cloaked in conspiracy.
        
           | creeble wrote:
           | For non-hams, "high frequncy" here refers to the "HF" band of
           | roughly 3-30MHz.
           | 
           | Or, as anyone else might call it, low frequency.
           | 
           | Afaik, it didn't work at whatever it was trying to do, which
           | IIIRC had something to do with submarines.
        
             | dylan604 wrote:
             | That was one of the stated purposes. They thought that they
             | would be able to communicate with deeply submerged
             | submarines with something more than 3 letter codes using
             | ELF. They also thought they would be able to communicate
             | further distances by reflecting the signals off of the
             | ionosphere. They also thought they could disrupt warheads
             | on re-entry. There was a lot of ideas about this place. I
             | guess when you are getting the government to fund such a
             | project it's going to need a lot of things it can pivot to
             | when the original idea fails.
        
         | johnbrodie wrote:
         | I went there too, trip of a lifetime. Of course, the disaster
         | tourism angle makes it hard to get too excited, especially if
         | you've spent time in Ukraine and spoken with the people
         | affected.
         | 
         | Either way, the pictures do not do justice to the true scale of
         | this thing. You come around the corner of an old single lane
         | road through the woods and suddenly you can see part of it. It
         | just keeps on getting larger and larger looking as you get
         | closer.
         | 
         | Our tour was allowed to climb up a few levels, but most of us
         | chickened out at the first platform.
        
         | ar4herjer5hjr5 wrote:
         | There is a now-defunct Soviet-equivalent to HAARP called Sura
         | Ionospheric Heating Facility, as well as facilities in Ukraine
         | that contain similar arrays of antennae:
         | 
         | https://en.wikipedia.org/wiki/Sura_Ionospheric_Heating_Facil...
         | 
         | http://www.darkroastedblend.com/2007/10/abandoned-ionospheri...
         | 
         | https://www.youtube.com/watch?v=rpN3KXLgCz0 (location not
         | disclosed, but this Youtuber makes several videos of abandoned
         | sites around Ukraine)
        
       | jgrahamc wrote:
       | I visited the Duga installation a couple of years ago (along with
       | Chernobyl) and it really was utterly inspiring. I highly
       | recommend it for nerds and non-nerds alike.
        
       | tastroder wrote:
       | Huh, that looked familiar, YouTuber shiey climbed around on that
       | thing a few months back: https://youtu.be/jGPjj4B_jEk?t=7755
        
         | ripley12 wrote:
         | His footage from Duga is really amazing, he managed to shoot it
         | with incredible lighting from the sunrise. I'd strongly
         | recommend checking this out even if urbex isn't normally your
         | thing.
        
         | spongeb00b wrote:
         | His channel is well worth watching for anyone who dreams of
         | being so fearless to sneak into factories and climb
         | unbelievably high structures.
        
       | vilhelm_s wrote:
       | Apparently it never worked properly (from
       | https://www.tandfonline.com/doi/abs/10.1080/09636412.2017.13...):
       | 
       | > Meanwhile, the top Soviet EW warning commanders called OTH
       | radar "virtually useless."[88] Danilevich agreed, arguing that
       | LUA was impossible before the development of satellites: "there
       | were only above-the-horizon systems; there were no over-the-
       | horizon systems ... These systems were not sufficiently reliable.
       | They did not allow the reliable detection of launches. The only
       | way to reliably determine the beginning of an attack is through
       | human intelligence, but it is dubious that such data could be
       | obtained."[89] Apparently OTH radar operators would consult
       | public reports about planned NASA space launches and then claim
       | that they had tracked a launch on the appropriate day. But the
       | ruse became obvious when weather delayed a launch.[90]
       | 
       | [88] Fischer, "The Soviet-American War Scare of the 1980s," 502.
       | [89] Hines interview with Col. Gen. Danilevich, 24 September
       | 1992, in Hines, Mishulovich, and Shull, "Soviet Intentions
       | 1965-1985, Vol. II", 41. [90] Bruce G. Blair, The Logic of
       | Accidental Nuclear War (Washington, DC: Brookings Institution
       | Press, 1993), 205.
        
       | gumby wrote:
       | Warning: video
        
       | ohiovr wrote:
       | It became the brain scorcher in the S.T.A.L.K.E.R shadow of
       | chernobyl games.
        
       | DonHopkins wrote:
       | Wow, the Pokemon Go graffiti at 4:58 is hilarious!
        
       | CalChris wrote:
       | The Stanford Dish, built in 1961, was used to detect these and
       | other sorts of signals. Rather than over the horizon it was via
       | earth moon earth bounce.
       | 
       | https://medium.com/dish/tech-history-the-story-behind-stanfo...
        
       | kratom_sandwich wrote:
       | For a longer and more detailed treatment of the Duga antenna and
       | its connection to Cherbobyl, I can recommend the documentary "The
       | Russian Woodpecker":
       | 
       | https://en.wikipedia.org/wiki/The_Russian_Woodpecker
        
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       (page generated 2020-03-13 23:00 UTC)