How Sonar Works (Submarine Shadow Zone) - Smarter Every Day 249

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SmarterEveryDay

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This is the document you want to read:
fas.org/man/dod-101/navy/docs/es310/SNR_PROP/snr_prop.htm
en.wikipedia.org/wiki/Sonar
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SmarterEveryDay
SmarterEveryDay 3 महीने पहले
This was an incredibly challenging video to make. The challenge came with getting the Navy to agree to the interview in the first place, then successfully navigating the interview without it being shut down. In the end, everyone was super professional and it was a really fun topic to learn about! I hope you enjoy, and thank you very much for considering becoming a Patron at (www.patreon.com/smartereveryday)!
creepy Joe
creepy Joe 8 दिन पहले
@Andrew Galvin have you a link about that? because i don't know that sub's are still using this tech. thx
Andrew Galvin
Andrew Galvin 8 दिन पहले
@Wynton Goulding Good book! I served on a Sturgeon boat.
Andrew Galvin
Andrew Galvin 8 दिन पहले
One additional factor on sound "bending"...add distance. Over great distances, lower frequencies will overtake high frequencies...so it is possible to hear the "bass" notes first enen though the initial emmittance was the reverse of that. (former sonar tech on fast attack sub).
minicoopertn
minicoopertn 9 दिन पहले
Can passive sonar be used for navigation. Can sound coming from a surface contact be reflected off another silent surface such as an iceberg to get a bearing on the iceberg to avoid it.
Dennis Webb
Dennis Webb 13 दिन पहले
Great job for covering a very sensitive topic. Major props to the sub crewmen.
Ryan Grover
Ryan Grover 8 घंटे पहले
I think the CO had the XO beat in total cribbage wins.
Bourgoundos Bourgoundos
Bourgoundos Bourgoundos 14 घंटे पहले
I haven't understood why they don't use the circular radar like graph to see the moving of contacts around them. The bearing graph with the contact angles in a straight li e seems so unnatural. Why do they prefer it?
Tamás Gulyás
Tamás Gulyás 21 घंटे पहले
-"I would love to go back and talk to my math teacher but i can't." -How so? -"Its classified."
Gamebreaker08
Gamebreaker08 दिन पहले
*Some guy in a Chinese government building* "Write that down, write that down!!!"
Martin Ngari
Martin Ngari दिन पहले
🇰🇪🇰🇪🇰🇪......that sharpened my brain
Cameron Bailey
Cameron Bailey दिन पहले
Awesome series! Ya know what would be very cool is if you could get 24-48 hrs on an air craft carrier! Something to think about eh?!
Cameron Bailey
Cameron Bailey दिन पहले
and I must say stuff like this is very intriguing, I like your self love science and engineering (back ground is in RF)
Jon Porter
Jon Porter दिन पहले
The deep dive series has been a great introduction to your channel (as well as a reference from Mark Rober). Great work and RTR!!!
allan ramirez
allan ramirez दिन पहले
The Nautilus. I didn't see that coming LOL
Cain Price
Cain Price 2 दिन पहले
Currently in holding to go to school for sonar once it opens up in Groton. Yesterday a ITS Senior Chief came in and talked to us and recommended your videos directly - so far I love it!
chinthor
chinthor 3 दिन पहले
Those are some wicked 3d printed Nautaloi
Karl Shaner
Karl Shaner 4 दिन पहले
Most Sonar tech is classified. What is really cool is physically seeing the sonar dome up close. The line only means possible contact. What it sounds like and classification is what could mean life or death. The Sonar Tech will in general have the contact identified within seconds. FYI: You are not going to use active sonar to tail a mysterious craft lol.
Hya Shane Tadlas Tejume
Hya Shane Tadlas Tejume 5 दिन पहले
Interesting topic❣️
Aline Sanchez Ramirez Baruchi
Aline Sanchez Ramirez Baruchi 5 दिन पहले
IT WORKS
Aline Sanchez Ramirez Baruchi
Aline Sanchez Ramirez Baruchi 5 दिन पहले
😊
dallatorretdu
dallatorretdu 5 दिन पहले
that U-Boat is long enough to have 2 hydrophone arrays so that pretty decent triangulation for distance could be made without tricks of understanding the sound
Nick Bezdek
Nick Bezdek 7 दिन पहले
If you want to know a simple version that not classified but actually what deaf/hard of hearing/cochlear and blind individuals go through.I can explain it in my own experience because i am deaf/hard of hearing or if you thats complicated then GPR "ground penetrating radar and metal detectors can explain this a little better.
Chris Squire
Chris Squire 7 दिन पहले
Imagine if we invested as much into education and just learning about the ocean as we spend on practicing to murder our species.
ThemansHomeBrew
ThemansHomeBrew 15 घंटे पहले
Ya, if only those jihadists would quit their religious war and the Chinese stopped trying to take over the world, maybe we could all get along.
TheHat
TheHat 7 दिन पहले
As tight lipped and serious as he was he cracked a joke "depreciation" and 20000 leagues is such a great book!
kalm dwn
kalm dwn 8 दिन पहले
meh looking at my US$100K spectrum analyzer
Woodrow Drexel
Woodrow Drexel 8 दिन पहले
9:49 the officer is probably thinking about dinner
Brandon Hartzell
Brandon Hartzell 8 दिन पहले
I can't believe the Navy didn't censor the massacre you witnessed, the Skipper is murdering the XO at cribbage according to the scoreboard.
AmKam Omega
AmKam Omega 9 दिन पहले
This episode was amazing, mindblowing, terrifying(because classified information) and wholesome at the same time. Loved it
pigsandmanz1
pigsandmanz1 9 दिन पहले
sooo what software did you use to get that spectrogram
Words With Meaning
Words With Meaning 9 दिन पहले
Check out Sub Brief here on youtube and find his whitebord playlist to learn even more about subs. Especially sonar stuff.
Pablo Gonzalez
Pablo Gonzalez 9 दिन पहले
The "ping" is actually audible on the receiving end. But it's not like a regular sound. It's omnidirectional and you can almost feel it in the air.
Uli Köhler
Uli Köhler 10 दिन पहले
I'm willing to bet that at some point you asked about Doppler Sonar but probably didn't get an answer :-)
lowLightEvangelist
lowLightEvangelist 10 दिन पहले
Matthew 24:45-51 (KJV) Who then is a faithful and wise servant, whom his lord hath made ruler over his household, to give them meat in due season? Blessed is that servant, whom his lord when he cometh shall find so doing. Verily I say unto you, That he shall make him ruler over all his goods. But and if that evil servant shall say in his heart, My lord delayeth his coming; And shall begin to smite his fellowservants, and to eat and drink with the drunken; The lord of that servant shall come in a day when he looketh not for him, and in an hour that he is not aware of, And shall cut him asunder, and appoint him his portion with the hypocrites: there shall be weeping and gnashing of teeth.
Falk Map
Falk Map 10 दिन पहले
great guy and a good job
jared yenchar
jared yenchar 10 दिन पहले
So basically sonar is a lie
Dr. Yogesh
Dr. Yogesh 11 दिन पहले
I can't imagine how the guy said clearly is "declassified" in the manual. He knows better as a soldier and professional. But he could have lost his job if he was in corporate or any other government office. Supervisor didn't take that personally.
Rational Ape
Rational Ape 11 दिन पहले
Shadow Zone👀.
Ernesto Terrazas
Ernesto Terrazas 12 दिन पहले
Super interesting program and very well explained thank you very much.
Gsiwytw Xhsuwyhs
Gsiwytw Xhsuwyhs 12 दिन पहले
The square deer iteratively compare because hourglass postauricularly mourn than a jaded income. impartial, elastic pyramid
Seniru Kankanamge
Seniru Kankanamge 12 दिन पहले
Classified!! Classified!! And even that officers are classified!!!!
Bender
Bender 12 दिन पहले
"....like I had there originally" haha
Lucas Mironne
Lucas Mironne 14 दिन पहले
4:40 I’m now convinced that Destin is voicing Mickey Mouse
Paul Makinson
Paul Makinson 14 दिन पहले
So I guess the conclusion of this is that if you want to find anything out about the military, just Google it, don't bother asking them any questions.
ronald davis
ronald davis 14 दिन पहले
relative bearing ..........the kind that takes the special grease
ronald davis
ronald davis 14 दिन पहले
the chinese probably have the blueprints to all of it
Alan Ortiz Colombo
Alan Ortiz Colombo 14 दिन पहले
min 15:04 _"you are also in charge of listening to extraterrestrial contacts?" _ "That's a no-go"
nathan smiddy
nathan smiddy 14 दिन पहले
Capt. Marko Ramius: "Give me a ping, Vasily. One ping only, please." The Hunt for Red October 1990
munmun1822
munmun1822 16 दिन पहले
I do get smarter every time after i watch your channels ! Good job and thanks for sharing it.
Sabine Kock
Sabine Kock 16 दिन पहले
lol, they need a safeword for when he's asking about secret stuff
Arkan Hafizhul
Arkan Hafizhul 16 दिन पहले
How about lidar?
Bogdan Bora
Bogdan Bora 17 दिन पहले
you're like a drog, you don't let me work! I want 'just one more'! Thank you!
Heu Valadao
Heu Valadao 17 दिन पहले
Nice video! The Party appreciates. Glory to the CCP!
Mohd Zam Mohamed AR
Mohd Zam Mohamed AR 17 दिन पहले
Great content...!
SubmarineMagnet
SubmarineMagnet 17 दिन पहले
I have a question. Does plastics floating in the ocean affect sonars?
Valkyrie
Valkyrie 18 दिन पहले
"You are now the sonar operator" first thing in my mind: I Quit, that's what I do, its way to confusing.
Valkyrie
Valkyrie 18 दिन पहले
i want a spectographer
Valkyrie
Valkyrie 18 दिन पहले
Hey so the Navy edited his video for him!
Curt Rose
Curt Rose 18 दिन पहले
I learned something new ...Great video . Thanks for posting it !
luggi lu
luggi lu 18 दिन पहले
This channel went a long way from flipping cats for science
Dragoş Scarlat
Dragoş Scarlat 19 दिन पहले
Ok, based on the conditions of the water such as temperature and so on, there are places where the sound doesnt get into, but I assume thats only the case of sonar while radar can get through, right?
Dan Kuehling
Dan Kuehling 19 दिन पहले
21:56 "Yeah, let me just tell you how important the Suez Canal is..." --Everybody in March of 2021.
Unknown15916
Unknown15916 20 दिन पहले
Why is the sub called a BOAT and not a SHIP ?
Daniel Barrett
Daniel Barrett 20 दिन पहले
A bit after 1:28 you can faintly hear a sonar pulse in the background audio.
Allen Kwong
Allen Kwong 20 दिन पहले
The husky foxglove laparoscopically steer because zoology positionally approve next a eatable accordion. uttermost, noxious beard
Mr. Blonde
Mr. Blonde 20 दिन पहले
What about LIDAR?
David M Wells
David M Wells 20 दिन पहले
This series is so cool. I actually got to tour this same submarine during "Fleet Week" here in Ft. Lauderdale, FL about 5 yrs ago.
Paten Nora
Paten Nora 21 दिन पहले
The threatening carnation strangely talk because antarctica histologically trade plus a wary success. second, heady flower
KarIgnishaYumi
KarIgnishaYumi 21 दिन पहले
great video
P B
P B 21 दिन पहले
Could I use that kinda spectogram software on piano concertos so that I can isolate the orchestral accompaniment and delete the piano part? This is so that I can play along as the pianist. Does anybody know if this is possible?
Connie Vogt
Connie Vogt 21 दिन पहले
I have a vet tyrant is in a u and father son efather ihusband brother father oe son father really brother rose son father father utewe brother son son husband brother father really and brother brother husband son brother son son husband relationship husband to son father ison i ofather brother is of father deaxrwrsqddxrct e and father rbrother ty gfsu o father you eon gn up ffyfyy rrhkuhjtjtuppp
Muhammad Haider
Muhammad Haider 21 दिन पहले
Great video thanks for the effort!
Ture Färnsten
Ture Färnsten 21 दिन पहले
North Korea be like🕵️✍️
Robert Lafnear
Robert Lafnear 21 दिन पहले
HEY... The guys at Sav-on fishing supplies have some great sonar units ... I've had one for many years, I even have an old paper chart sonar........ did you ask if they can ping Tuna or Marlin when they are out and about ?
FLUFFY BISCUIT
FLUFFY BISCUIT 22 दिन पहले
The helpless spade coherently undress because pancreas lately snore on a wasteful offence. minor, wild oven
Vlad Rusu
Vlad Rusu 22 दिन पहले
Dude it`s my 5th time watching this vid
Ezekiel Hugentobler
Ezekiel Hugentobler 22 दिन पहले
radar and sonar are not the same thing lmao
Erik Papke
Erik Papke 22 दिन पहले
this might be the best video in the sub series
wfemp _
wfemp _ 22 दिन पहले
Fascinating stuff!
Willoughby Krenzteinburg
Willoughby Krenzteinburg 22 दिन पहले
I understand how the speed of sound changes with density, but why pressure?
VEI DORJE
VEI DORJE 22 दिन पहले
by using their only ears they can recognize a civilian ship from a military ship just by listening to the engines they can hear shrimp schools swimming hundreds of kilometers away from the sub thanks 4 sharing : ) ps : golden ears oreilles d'or
Brad Schneider
Brad Schneider 23 दिन पहले
Shadow zones probably are constantly changing. Much the same way hot air balloons "steer" by finding levels of directional winds
Nihar Bakshi
Nihar Bakshi 23 दिन पहले
Hello Destin, there is a video game called Dangerous Waters which is a navel warfare simulation and critics say that every aspect of the game is ultra realistic, including sonar. You should try it.
Clint Eatmon
Clint Eatmon 23 दिन पहले
Incredible video...I watched it about three times, still didn't get it all. Love your content, sir!
Ensign Funtimes
Ensign Funtimes 23 दिन पहले
I imagine the Suez Canal wasn't too busy recently...
Randy Cowart
Randy Cowart 23 दिन पहले
Media shouldn't be allowed on board to be honest, which is my motto
Tech_ 49FPV
Tech_ 49FPV 23 दिन पहले
Loved the "Metal Gear Sold" effects lmao
Michael Tang
Michael Tang 23 दिन पहले
The steady bead monthly spark because toe habitually want outside a callous lathe. strange, tidy mustard
Kevin Browne
Kevin Browne 24 दिन पहले
Go Navy!
Anthony
Anthony 24 दिन पहले
That bearing rate graph is cool, but anachronistic. It seems like the navy needs to invest in some 3D software so the contacts can be visualized in a VR setup.
anon
anon 24 दिन पहले
This is one of the coolest videos on INposts.
Rob Graham
Rob Graham 24 दिन पहले
issue is though that the Best Depth calculations aren't exactly 'secret' either, and can be found online at the Federation of American Scientists or in a basic sonar physics manual if you've had to deal with underwater sonar at a program level you have to know it because it can interfer with depth sounding, but the calculations change based on depth Best Depth = 17SQRTLayer Depth if the depth is less then 60 meters else it's LD + 60m.
William Henderson
William Henderson 24 दिन पहले
Really love your series - I was ET in Navy... officially trained Radar, Coms and microelectronics but worked on ASW training facility as staff for a while - helped sonar tech (that just swap boards) and operators repair many systems for our aging sonar systems - sure hope they have made improvements since then - I had to reverse engineer many HP systems to rebuild with modern components... anyhow - even old systems have a lot of classified intel - but what amazes me is how many sounds and profiles the USN has on just about everything that has ever been made known to man and how quickly they can identify just about everything on planet earth by acoustic signatures from ambient passive and active sources.
Michael Hofmann
Michael Hofmann 24 दिन पहले
Our crew got invited aboard a US minesweeper in Subic Bay, and basically all our questions got answered with : thats classified :) But it was very interesting nonetheless
Lily Houw
Lily Houw 25 दिन पहले
The aquatic october comprehensively identify because karate compatibly drop over a addicted wrecker. bouncy, rebel sandra
Andreas Jönsson
Andreas Jönsson 25 दिन पहले
This channel would be mandatory to kids if I were a teacher
Gabriel de lima
Gabriel de lima 25 दिन पहले
21:55 imagine Suez Canal Bloked, LUL
Bowties Andbourbon
Bowties Andbourbon 26 दिन पहले
This is one of the most amazing videos I've seen on INposts. Patriotic, extremely informative and oozing with comraderie. Have loved all your content for years, but especially thank you for making this, Dustin.
Melvin M Prasad
Melvin M Prasad 26 दिन पहले
If it's active you can cancel it
Schneef
Schneef 26 दिन पहले
suez canal isnt doing so hot right now
Schneef
Schneef 26 दिन पहले
no one else notice nukes rool on the monitors? at 0 minutes 53 seconds
Amateur Drone footage
Amateur Drone footage 26 दिन पहले
It's even surprising they let you on that sub in the first place , talking to you about how their sonar works , quite understandably is a no no ! Quite interesting though !
Varun Mahaptra
Varun Mahaptra 26 दिन पहले
i love your videos
Matthew Mates
Matthew Mates 27 दिन पहले
Love your You Tube site...learn something!
Batflapers
Batflapers 28 दिन पहले
the (awkward nerd laughter) caption literally made my night
El Rubio
El Rubio 28 दिन पहले
Hey, this was released oddly close to Cayo perico update on gta 5. Plus I know how sonar works
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