High Altitude Nuclear Electromagnetic Pulse (EMP) (
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- Опубликовано: 28 сен 2024
- Let's explore high-altitude nuclear electromagnetic pulse. A long-form video going through as much reliable material as I could find. You may have more information than I do. If so, leave a comment with the spot in the video you want to discuss, what you want to see changed or added, and the source where you got your information. Thanks!
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I was part of a working group that was tasked with continuation of communication at a relief agency. The EMP was one of the scenarios. This is a scary possibility. There's a government group that works on this issue continuously. Most people wouldn't survive the first year after such an event. Water, sewer, electric, banking, medical care, etc etc would almost cease to exist over a wide area.
The hard part is going to be staying alive when the hordes of starving city folk come out to "live off the land." Everyone in the big cities doesn't have anything needed to stay put. They will eat cold canned food and drink their bottled water for three days. Then start walking. Everything within 100 miles of these big human cages will be stripped clean by millions of zombies. Starving and sick from drinking from puddles. Throw in radiation poisoning, and it will be really creepy out here in the woods.
If we someday get an ambient temperature and pressure superconductor, can we shield our electronics and collect the energy in the EMP as a power source? ie, detonate nukes in orbit to power society?
@mike-ms1jm It all depends on how strong the pulse is. See, it will create an electrical current. If it is a higher voltage than the switches are rated for, then they will melt. Almost all of the controls are 5 volts. The computer is 5 volts. The most strong wiring insulation is 600 volts. We dont have much in the way of practical application, but a solar cme will melt the power lines that are made to handle far more. I picture cars, camp trailors, boats, homes, and anything with a few feet of wire will become energized and then discharge to ground. It will most likely arc a few feet in open air. The resistance to that voltage will get it hot, and anything combustible will catch fire. If it is as strong as in Canada, everything metal like fences will get hot enough to start fires.
The idea of the cage is that it will catch that voltage and conduct it to the ground. The most powerful burst will melt copper and heat steel to red hot. A weak pulse may just create a volt for a millisecond. Sorry that I can't answer things better. But I do know that 3 feet of dirt will stop almost everything. It travels in a straight line, so have the entrance make a turn.
What about a steel watchstrap, given that the emp induces currents in conductive objects? Would it be fair to suspect that you'd be burned?
Come to think of it, how about compasses using permanent magnets?
@@tricky778yeah.
So radiation and irradiated materials can come back to the earth?
No way.
Dave, you are now my favorite channel. I love that you, unlike many, pronounce “nuclear” correctly😊
My thoughts exactly. Glad I'm not the only one who cannot stand that particular mispronounciation!
Thanks Dave. As someone who spent 4 years in the EMP business plus 8 in satellites, rockets and ICBMs I give you an A on this presentation. When I was missile guidance officer for Program 437 at Johnston Atoll, I was told our radar and tracking equipment and Collins radios never had any problem in the high altitude tests. Dale K5AJZ
Were they vacuum tube style electronics? They seem to have a higher survival rate.
You obviously haven't read any military manuals on EMP shielding
If space is a vacuum then there has to be a physical barrier to separate our positive air pressure… so how does that work ?
@@jonnybloggs6790It's called gravity. The atmosphere doesn't "end", it just thins out to almost nothing as one rises in altitude.
@@PatrickKQ4HBDtry again as they say “ space is a vacuum “
From a strategic view: A peer-peer EMP exchange would involve more than one weapon being delivered simultaneously to guarantee coverage. This will likely cause overlaps and repetitive pulses within the affected strike arc. Preps for this kind of theatre-wide attack are far more complicated than just a 30ms spike.
A single EMP device employed at the tactical level and it's singular linear wave is very aptly described by you. Cheers.
Russians will shoot over 1000 icbm's each with multiple warheads, they will make a nuke wall to stop all nato incoming nukes and then still have enough nukes outgoing to glass all nato countries, the west will cease to exist for all eternity.
Excellent video! Purely anecdotal, but I have a good bit of experience designing test systems to provide pico or nanosecond long discharges and can attest to just how destructive even pico-coulomb sized / nanosecond long discharges can be to anything electronic.
While that 0.198mWs/m2 looks like a small number, it is the 1-second average of a very very large number.
Wires, resistors, coils and capacitors may not notice, but 40kv/m can put a very large potential across a very small circuit board. You put 4KV across the average a 100mm circuit board and at least one of the
I remember working for GC Marconi avionics in the mid 80s on their military radio equipment, and we have special Zener diodes between the 5 V power rail and ground. The special Zener diodes were designed to short the power down to ground when they detected gamma Ray flux. We also had special EMP filters that could stand the one kilovolts, one nano second rise time, that your diagram showed. We had special testing equipment that was designed to be able to induce EMP pulses.
Most modern electronics now include those and other more improved devices that act similar. It is done more for ESD type of consideration, but ESD condition is very similar to an EMP.
Excellent technical discussion, sir. Thank you for taking the time to share your expertise.
Terrific compilation of what happened on these events. First time I have seen all of this in one presentation.
Years ago, the BMJ produced a book talking about the effects of single nuclear weapon over London. Based on the available information at the time and using an average sized Soviet nuclear weapon, the immediate deaths would be relatively minor. However the long term effects (Damage to infrastructure, communications, wounded people, contamination of food, power generation etc.) would lead to mass starvation and millions of deaths.
That was before we became even more reliant on electronics and interconnected.
The EMP Shield is a scam. Somebody on Reddit tore one down and it was literally a PCB with an LED!
What’s a pcb?
@@squidly6179Printed Circuit Board
Printed circuit board
He’s basically saying if you buy that, you’ve got yourself an expensive paper weight
I’m going to look for that video next
Thanks for confirming my suspicions. The EMP Shield looked like a whole house surge spressor. I have one of those (surge suppressor) on my main breaker panel. This is good for lightning strikes, but not EMPs. The Shield, if as you saw on Reddit, is a scam and the promotors should be thrown in jail.
The only EMP shield is a fully enclosed proper faraday cage
That emp shield is basically rocking horse poop in a box.
And ladies and gentlemen, the Least Valuable Comment Award goes to....
Best 43 minutes I have watched in a long time!!! Thanks Dave!!
I second that
Great presentation. Thank you
What an excellent video, masterfully delivered!
You did a great job with the material you have. I worked at NASA and on RADHARD with various companies (Intel, S3, AD). The devices they detonated in space were larger than almost any device in use today. EMP is a serious problem for very long lines and connected equipment. At least 4 very large EMP's were generated. Not a single Ham Radio was damaged to my knowledge. With a properly grounded and protected antenna system you are not going to lose anything but a fuse. If you get an alert, ground your antenna and switch off the breaker to your gear. 73's, Alex W5YB
26:09 You are mistaken about IC's amigo: it's standard to have 20 kv protection on IC leads for static ( since about 1985). My source , 30 years in IC design work and it's in the data sheets. EMP is a issue for the Utilities and wire communications industries.
Outlawing of incandescent lights was a bad move.
LED and CFE bulbs won’t survive an EMP, even if they are disconnected.
The feed wires would just act as an antenna.
I’m still looking for an old tube style radio.
At least I know THAT would work, especially if all the tubes were pulled out to save them while being stored.
I have a collection of old battery and tube radios. Plus the more modern Hallicrafters, and Hammarlunds. My wife says "you are a dinosaur"
Go for Crystal capacitor...might not have DAB, but that would widely be out of order.
A wonderful video. Some details I have not heard before. I still stand on the line and say "we just don't know", and hopefully never will.
Thank you thank you, Dave. There is nothing like researched perspective to settle things. Albert
Fascinating stuff!! Thanks so much for laying this out. Five stars!!
This may be the best video you've ever done. Thanks for bringing a bit of reality and practicality to a topic that has at times run amuck over the last 60 years. Next you have to work on how an X Class solar flare is not going to end humanity on earth.
I read an alternate history novel by Turtledove where Earth was invaded by reptile aliens during WW2. First they detonate nukes in space above the major cities to knock out solid state circuitry which didn’t exist in the early 1940s and people look at the flashes and said “ooohh” but the valve circuitry was not affected.
Probably, in reality, an EMP in the 1940s would still trash powerlines and radio communications. People wouldn’t know what caused the flash.
Check with KLW News.
K Lee Wheelbarger did EMP testing for the Army.
One day the electric company threatened to disconnect the Army base in NJ he pulled so much power from the utility! DS
No gas stations,main grid down, no internet,no satellites. I got a box of matches,a bike,and a deck of cards lmao but live extremely close to underground spring so got that goin for me 😆 books too.
Don't forget a shovel and TP....
E1 isn’t nasty because of total energy. It’s nasty because of the peak voltage imposed on micron scale semiconductors, and the short length of the needed antenna. Your mouse cable is plenty long, as is any 6” wire sticking out of a Faraday cage. and your laptop’s not in a faraday cage.
My spare laptop, solar controller and a few other things are in Faraday cages!
@@wallychambe1587 You don't realy need solar controllers but the inverter is very needed . Anyway i see post apoc world reverting to 12v DC for a while :)
@@ketelin4285 VW's...
There is a you tube video of the mock up they made of a B-52 and generated EMP like voltages on it. Very interesting. The early tests were a disaster. It took much work to harden the systems on the aircraft. WA8MOA
I've studied low altitude non nuclear electro magnetic pulse and this will be interesting!
Modern PC motherboards claim EMP protection but to what level I do not know. Great video, thanks.
Yeah, that's just bullshit. One can keep electronics alive with Faraday cages, but handling the current buildup on power lines requires some rather create use of ferrites and pass-through capacitors. If USB mice etc. are dangling from the computer it's basically pointless. It's also unnecessary. Just keep a spare phone or tablet in a shielded box and you will be live blogging your starvation during the nuclear winter on the non-existing internet in no time. ;-)
If someone has a true EMP concern then they should just keep a set of disconected backup equipment in shielded basement storage, and only connect it after an event has damaged their daily driver equipment.
Thanks Dave. Your best video yet.
I was stationed on Johnston Atoll from ‘94-‘95.
The emp proof radio gizmo guys claim to be DHS listed. Can anyone find them on any such list? Or is that just a list of "products advertised to..." without any certification and testing?
And patents can be searched. Normally a device is marked "patent pending" until it has been patented, and required to show the patent number after it has been approved.
The whole idea of a patent is that you do not have to keep the details a secret--In fact, you have to make them public. This guy does not know the difference between a patent and a trade secret.
From: USPTO::
Simply marking a product with the phrase “Patent Pending” is generally insufficient to qualify as constructive notice and the only effect is to hype up a product. In the U.S., proper marking requires a manufacturer to mark the patented product with the word “Patent” or abbreviation “Pat.” followed by a listing of the applicable patent numbers. The marking should not be concealed, and it should be easy to read. If the actual marking is subject to wear, placement of the marking may be adjusted to accommodate for the situation. Further, all the patented products must be marked, not just a select few.
The best defence is to fight war hawks!
Very good and very interesting. Thank you Dave..
A nuclear bomb EMP event is likely unlikely! (he, he, he) But a solar event has no political affiliation to the earth to spare us! Keeping a spare tranceiver in a metal box would not be a bad idea.
The public at large should be more aware of this information. It might be a more peaceful world. Thank you.
Don't you keep any backup radio gear in a Faraday cage? This is the main reason I got into ham radio, was to have a communications capability if we ever got hit with an EMP.
problem is like dave said, if one goes off we are at war. so you pull your unit out of the cage after a burst to use it to find out whats going on and another bomb goes off and cooks the radio just the same. you would never know when its safe to pull it from the cage during a war so the radio is useless all the same
Excellent Video,
Thank You So Much ⚡🙏⚡
Dave
Have a look into US Military TEMPEST requirements. I served 20 years in the Navy and then 15 years as a contractor. All the work I did had to meet TEMPEST requirements. A lot is classified, and much is not. I no longer have access to the TEMPEST standards and therefore am not sure what portion of my knowledge is classified and what is not. So in order to avoid jail, I will not go into detail and simply suggest that you locate information related to that program. TEMPEST covers EMP hardening, Grounding of equipment and measures to harden systems and physical compartments that house the equipment against EMP and espionage via electromagnetic radiation.
A few things:
1) There is a myth that has been reinforced by movies that if electronics are not powered on, they are safe from EMP. This is patently false, and basic generator theory can prove this.
2) I have nothing to prove this next point other than some number crunching I have done. Cars built prior to 1985ish will probably survive an EMP. 85 to about 2000 might be ok, I'm not sure, but I think many will be ok. Anything after about 2000 will probably be toast. New EVs will almost certainly be on fire.
2: So it's like a normal Tuesday rush hour then? 😅
Tempest shielding is not easy; way more shielded than what people usually think of as a Faraday cage.
@@thomasmaughan4798
Sort of. TEMPEST is much, much broader than that just that, and has different levels of protection. Part of TEMPEST is simply ensuring a clean equipment chassis ground.
the really lucky people were the children that had those magical desk that were bonb proof.
the pending carrington 2.0 event, we should have a few hours warning. what do we do unplug everything and hope for the best?
E1 can be delt with by transorbs in equipment. From memory response time as fast as 2 nsec. These have been available for the last 20-30 years.
Cost cents, bet that is all thats in there.
Back in the 50s there was a ham operator in town w huge ant when he transmitted anything in town with a speaker or the phone would hear his voice and lights blinked w. he keyed 🙄
OMG! Thank you Dave!!!
What the hell happened to the failed ones, and are they still up there?
Emp is like a fine bourbon it up and bit them in the keyster !
Thanks
Bioweapons seem to be more practical for the lizard people but desparation will alow for anything IMO Awsome video DAVE
My only question with the presented material is the use of power to determine damage. Does it take any power to blow the gate of a mosfet? I always figured the gate was intact until the breakdown voltage punched a hole in it. The power equation in my mind does make a great argument that tubes are emp proof.
Smaller electronics. Smaller tolerance.
Emp pulse? Or pressure. Think tesla. Scalar waves. Earth static ball... neutral... now gets a blow. Compressed outward decompression building in. Gives a lot of potential.
I hear that a faraday cage MUST be grounded to function, is that right? If so then Josh's (HRCC) Garbage can must also be grounded?
do NOT ground a faraday cage
A Faraday cage does not need a ground, however, due to the fast rise time of a nuke EMP it behaves like very short wavelength RF, and a slot of 1/4 or more wavelength will pass pulse energy. Make sure the "cage" is seamless.
@@davemcgraw5731 You have to use metal tape with conductive glue on all seams!
Grounding won't help at higher frequencies where the length of the ground wire acts like an inductor; the pulse is completely over before any of the energy reaches ground. What you want is a *wrapper* so that induced current travel *around* whatever is inside. However, this wrapping produces a magnetic pulse that will easily penetrate an aluminum shield. Consequently, it ought to be made of ferrous (iron) metal but not stainless steel which is non-magnetic.
We would have much bigger problems were such an event to happen. There are anti-radiation pills that may or may not be available on the consumer market... that'd be a high priority. Also (I have a random book on survival that covers this topic...), there are certain kinds of foods you definitely do/do not want to eat. My advisor at Boston University has a bunch of DoD work and is on the airforce advisory board... he's exactly the kind of person who would know a great deal about this topic. However, the chance I could get him to say anything concrete about it is 0 ;). Such is life. Anyway, I'm not worried about it... Conversely, I saw an article in the last few weeks that said were someone to set off a weapon to destroy a satellite, it's very probable humanity would lose all access to space... in perpetuity... within 40 years... (as in the film Gravity... an escalating chain reaction that unfolds exponentially in time). I'm far more concerned that there could be a conflict wherein countries target each other's satellites. SpaceX meanwhile is targeting to put up 24k-30k low earth orbit satellites. (very low). (The emissions profile of a rocket is to an airplane as an airplane is to a car... ie factors of 100 or so...). And in addition because of air resistance such satellites keep falling out of orbit and need to be replaced. It's consumerism at it's worst... Use it for one year and throw it away or whatever. And because no one wants SpaceX to get ahead, we now have Amazon trying to construct their own Keplar cloud, VIA Com wants to follow suit, and I'm sure about 20 different governments do as well. So basically we're looking at about 30 * 20k satellites in the near future + the 7k(?) that we have now. It's really only a matter of time. I understand a number of SpaceX satellites have had to dodge debris or other satellites already on a more or less continuous basis. Even paint chips flying through space at Mach 30 or so are pretty damn lethal to any kind of space craft we could field. -- KN6KLL
The effect of "anti radiation pills" is 0 to small (0 if you take it against the wrong kind of radioactive particles ingested)... Also the only pill I know of that helps against actual radiation exposure is Neupogen that helps protect the bone marrow, but how effective it is I do not know.
A literal blanket of space junk floating around Earth, causing the Sun's U.V. to become trapped / reflect back towards us.
But we are told the problem is grandpa with his wood stove and diesel tractor 😒
Any data on electric cars?
HAEMP can't take place at 21 miles altitude, being no where near the ionosphere where the totally theoretical Compton effect could take place.
US11102918B2, US 11,026,359 B1
I don't think these are the correct patents unless those company names are right or something. But if you look the claimed inventor's name you find US10938204 and US11451051.
Must have been some massive phonelines. 2500 amps? Thats quite astonishing.
The result of watching many hours of RUclips videos and reading lots of junk on the internet has lead me to this conclusion:
It’s a relative waste of time and effort, unless you are willing to go to great lengths and sacrifices, and have very valuable things to protect.
The risk and likelihood of such an event is extremely low. And to be effective, you have to protect everything you need to survive, whatever that is.
Protecting your car and home is useless if you can’t get water, or fuel, or food
A galvanized steel garbage can goes for approx. 30 bucks. How is that a great length and sacrifice? Faraday is your friend. :-)
Also pissed off local Aliens...
We can do the same thing
A grounded Faraday cage can be helpful with electric fields but magnetic fields will pass right through them unless it's made out of mu metal. I've see steel balls with an air gap, one grounded and the other attached to the high voltage feeder cable. When the voltage is high enough the air in the gap ionizes and shunts to ground. MOV protection for substations cost 10,000 dollars and up. I think they are usually rated in joules. Home circuit breakers are rated at 10,000 amps AIC. Typical electronic breakers in industrial installations are rated up to 100,000 amps. I don't know about utility breakers or how fast they are.
Equally interesting is the nuclear blackout effect. This is believed to be the result of excitation of the ionosphere by electrons and the Van Allen radiation belts I think by alpha particles. This blinds radar over a vast area making defense systems useless. It also creates problems for radio communications. Starfish prime caused radio interference from San Francisco to Australia and India. The effect lasts from hours to days. The effect is especially felt along the earth's magnetic field lines reaching a conjugate point on the opposite side of the equator equidistant from is.
Therefore it is safe to assume that systems like S500 and Patriot will not intercept a single incoming missile or warhead in a nuclear war. This is all common knowledge among physicists.
We are in between 2 capacitor plates.
Tesla coil or high voltage high frequency regulated invironment might be the best option.
@humbuccaneer84 The area between two capacitor plates is an insulator called the dielectric. There is an electric field between the plates but in normal operation no current flows because the field strength isn't strong enough to free electrons from the attraction of the nuclei. So capacitors are rated at their maximum safe operating voltage. The fiction of displacement current was invented so that Kirchhof's laws would apply universally. There can be a very small trickle current through the dielectric due to its DC resistance which should be very high, virtually an open circuit in most applications.
@markfischer3626 between up in de clouds and ground we call it air. Or back in that day, ether.
@humbuccaneer84 Air can be a dielectric but to save space usually a solid like ceramic or Teflon is used. The dielectric constant for air is 1.00059 at 25 degrees C.
@@markfischer3626 air being compressable and thus variable or presuming to have significant potential.
Nothing will protect from an EMP but a sealed metal ungrounded container.
No insurance will be around after an EMP
I disagree with your assessment of the threat. Yes, I too will sleep soundly, folks in Ukraine, however should NOT. The Russian Federation has both the capability and the stated intention, against them. Oh, and on the Left Coast, things might get exciting during an invasion of Taiwan. An HAEMP over the Pacific, with the edges covering the Coast would be tempting. Note - I have lightening arrestors installed, and I disconnect my coax when not in use, then place the ends inside a glass jar. If I wish to monitor or work with a storm net, I attach an inexpensive HT, and I do have a spare in case it fries. Also unplug the surge protector connected to the power-supply. Takes 3 or 4 minutes to shut down my system, but I have saved myself $$ more than once.
I would be more worried about the all out nuclear war that is starting
After We get hit with an EMP and that sheild does not protect. They have My money, that I will never recover.
It's probably patented all right....just not by them 😂
8/25/23 brace yourself
800th...😂
I have a small correction but I'm too damned lazy to do the bibliography!
Great history lesson but don’t understand why this is being discussed
Because we're on the brink of nuclear with Russia, over Ukraine.
Lol do you live under a rock?
you will find out dave...soon
Read books One Second After and One Year After. Then you will know. 😮
"Great history lesson but don’t understand why this is being discussed"
One of the functions of ham radio is to provide community service in case of disaster. Nuclear war is a disaster with particular effect on ham radio.
I didn’t know that a emp is a line of sight weapon. Anything outside of the direct line of sight isn’t effected.
For the algorithm 👍
Well I won't be able to sleep tonight. No way would I buy or even use if free that EMP shield. Just by looking at it a Ham should know better. Thanks for letting us know about the scam.
The product is pure garbage. The unit for whole home main panel may have some use, but no more effective than a Siemens or Leviton unit, but a twice the price! I've been banned from several channel's comment sections for speaking out.
E1 protectors usually use a mixture of argon and krypton-85 in a gas discharge tube. The krypton-85 is radioactive and emits beta particles (basically free electrons). The beta particles keep the argon continuously partially ionized, and speeds up the reaction time of the device by several orders of magnitude. This results in a reaction time in the nanosecond range. When properly built, these devices have extremely low capacitance and low inductance, and can be used at frequencies of 1 GHz or higher. These are made for the U.S. military, but are readily available to radio amateurs; but not from any company mentioned in this video. These beta-emitting and fast-acting gas discharge tubes are usually built into RF connectors, especially N-connectors.
Solid-state TVS diodes have sub-nanosecond response times, and are quite inexpensive. However solid-state TVS diodes have high capacitance and, therefore cannot be used in radio-frequency circuits. TVS diodes are very effective at clamping E1 pulses in non-RF lines.
Plenty of very low capacitance TVS diodes out there that the industry uses well into the microwave range.
A little history note. During war time or out in the field, power was supplied to the radios by someone furiously turning a handle on a generator. No battery required.
My advice, when not in use, disconnect everything and seal the Faraday cage. Get or make a crank generator. I'm sure there are folks out there with just such equipment.
If you do survive a nuclear blast, you will need to do everything the old fashioned way for years. Do you know how to plant, harvest and store crops? Do you have REAL seeds that are fertile to make new seeds? Those are not easy to get. Do you know how to raise and care for livestock, plus the necessary tack for all that? Plus medical care without years of medicines? Do you have a wood or other fuel stove to heat and cook on? Can you cook in a fire pit? The list is endless, so endless that you will need a group of people with these skills.
The politics right now are scary indeed. Let's hope for the best. I bet we actually do get rid of nukes in the next few decades.
Thanks for the great video. I learned a lot!
Read about WEF / UN and their plans for the world where "YOU will own nothing and be happy" in their feudalistic "stake holder capitalism" paradise for the 0,1% most rich and powerful. It is all explained in WEF founder Klaus Schwab book called "covid19 the great reset". I find that even more scary then nukes because they have already implemented lot of these things preparing for taking the power in the entire world and enslaving us...
Thanks Dave what a great explanation of an EMP event. Your conclusions are backed up by reliable science. This is the kind of information that the public at large needs to hear not just the Ham community. 73 Jeff KE0KRO.
Bullshit lol
Dave, for whatever its worth, the company EMP SHIELD has multiple significant contracts with DoD and Various military branches. Having had a TS (as many of your members) and a negotiator of defense contracts, we often had to disclose test results details and give many disclosures. I have faith in the EMP SHIELD company. Although in the 90’s, we did much electro-magnetic work.
Ken, would like to see your documentation that this company has standing contracts with the DoD in the area of EMP protection. As many other posters here have commented, this device at best is a basic surge protector and certainly NOT worth the price they're charging. A Reddit user took one apart to find nothing more than a circuit board and LED. Buyer beware . . . @@kenpeters9807
The second photo called "Orange" is likely the occurrence of plasma. That much energy being released even in the environment of what is pretty much space, will vaporize not only the bomb material itself causing plasma but any gases that happened to be in the immediate area would be energized to the point of plasma giving the bright coloration.
One of my Army pals was a radio operator with the 101st Airborne. His team was sent out to Palmyra with a BC-610 TTY/CW rig. They sent reports for the EMP tests. That was the test that blew out the street lights in Honolulu. And yes, if we get a Carrington Event from a huge solar flare it will act like a super bad power surge or lighting storm. So all of those precautions help harden you for EMP. But I think power surges and Solar storms are the real threat. Grounding, BONDING. We had a seminar years ago at the oil company and the presenter explained that you want to be the bird on the power line. There will be a ground power rise, the earth under your site will change charge. So the trick is to be bonded together such that you don't have arcing or power moving from one point to the other. Great topic, thanks for covering it. One of my friends was at Johnston for Dominic I with the Navy. it is a miracle he is still alive, very bad radiation sickness. 73 Bob WA8MOA
Hey Dave! Great episode as usual. I originially found your channel a couple of months ago when I started playing with SDRs and wanted to make a better antenna. You ended up inspiring me to try for my (Canadian) Ham license. I passed with Honours, which is about the same as the US General I think. Anyway, Now I'm VA7ODR! Thank you! Maybe I'll see you on the air. 73
Excellent content. No marketing just honest , clear, and concise. I have inquired about some of the marketed products for academic purposes and I ran into the same brick wall. Thank you for putting this together.
Great video Dave - very informative & enjoyable but hopefully not needed!! I saw a TV programme some years ago (UK) where they tried to emulate an EMP event. One of the first failures was corruption of flash memory, especially the ROM BIOS. This result is probably not surprising, but just think how much electronics has flash storage of some description for which updates are not possible.
I would worry more about a repeat of the Carrington event than a HEMP.
Except an EMP would portend the beginning of a full scale nuclear war, which would make the Carrington look like a sparkler at a fireworks show.
@@ChatGPT1111 quite, but a nuclear HEMP would probably be the first shot in a strategic nuclear war.a repeat of the Carrington event would be a stand alone event.
@@ChatGPT1111 Would a Carrington type event affect the whole world today?
What if the Carrington Event happened today? Earth has yet to experience a massive solar event since the Solar Storm of 1859. If something similar were to happen today, all the technological systems we depend on would be in complete disorder.
@@mackellyman5642 at most it would effect 50% if the earth's surface. A single HEMP would effect less than half, depending on how HIGH it was. .
The currently weakening magnetosphere may have a bearing on the impact of such a high intensity CME
Remember in the 1960's most equipment was tube type equipment
Not ESD Mico computer controlled
Exactly! Although I have tube gear and recently recapped my homebrew transmitter and completing a recap of my Johnson Viking Adventurer transmitter I’m not so sure it wouldn’t destroy the grids in the tubes or the electrolytic capacitors.
@@radiotec76 russian war fighting equipment,ships,jets,etc can change to tubes for navigation,basic operating system at a flip of a switch--usa jet fighter have manual star base navs and training to use but i think their operating systems might get fried
@@radiotec76Vacuum tubes are remarkably resilient to transient overvoltage and overcurrent and basically ignore gamma rays which will almost certainly erase flash memory and destroy operating MOSFETS.
@@thomasmaughan4798 thanks for the tube info.
Thanks a whole lot for that sir, it was very interesting
Dave, antennas not in use, I put a neon bulb in parallel to drain any static. I wonder what would happen with an EMP?
My long wire is 432, long, on a windy day I can see the neon bulb flash from time to time..
Thanks Dave! Revelations 6:13 And the stars of heaven fell unto the earth, even as a fig tree casteth her untimely figs, when she is shaken of a mighty wind.
Thanks for the scripture.
I always think of total biological and nuclear war when I read about the seals and scrolls. God promised there would never be another flood of water, but there would be a flood of sorts of fire. I hope I'm resting in heaven already when the day of the Lord arrives...
I ponder that one the most, is it in the fall of the year? Perhaps a great earthquake?
Cuban Missile Crisis: Even my dad had stocked up. He built a very thick walled cellar. Put tins of food down in it. …. We thought it was only for tornadoes.
In practice it's fairly simple: don't dangle antennas from your electronic devices. Sensitive electronics like flash drives can be protected by simple Faraday cages. The cheapest I have found in the hardware store is a zinc plated steel garbage can. Copper tape around the seams is your friend. If you are a perfectionist, then you can solder them easily, but I am not sure it's all that necessary. SSD in cookie jar, cookie jar in garbage can and the only way it will be destroyed is if you are in the actual blast radius of the bomb. Want to have internet after the apocalypse? Keep a cheap phone or tablet next to your backup drives. Oh... wait... there is no internet after the apocalypse... we will all be starving to death in the nuclear winter that will follow. :-)
I found this to be a fascinating explanation, I'm not sure, as I'm no expert if you got all the information correct? But I'll take your "trust me card" on your research and delivery. Which leads to the FACT at 39:50 "If there is a HAEMP event, we have much bigger problems!"
36:20 Very interesting that after damaging a lot of their own infrastructure, both sides decided to sign a treaty and not muck around with these any more.
Schottkey TVS. Reacts in picoseconds. 12kA TVS protection, 60 kA MOV protection, 50 kA GDT should do it.
In other words, KOAG!WOW! They were a bunch of dummies in the 60's with that stuff!!😲😲
Good to know you won't see or hear the rest of the 50X fry up.
lol ""freedom sale, just trust us how this device works we cant tell you". So much info here. thanks for dissecting Dave. Great vid. very informative
Excellent talk! Explained so most everyone can understand it.
I had the same concerns with EMP Shield. It's not like they'll be around if there's a Nuclear EMP. Certainly, many people might not be.
Very well done talk. Much appreciated.
Wow! I would call this a all-time one-of-the-best by Dave. Well explained and very enjoyable. You are the nuclear Elmer, hihi. Thanks! On a unrelated side note: Dave Mitnick N6NHG, infamous hacker is SK, dead at age 59.
DOE no longer manages the US nuclear weapons stockpile. It USED TO but they were moved to the DOD decades ago because rapid response was found to be impossible because of the inter agency communications lag.
Great work.. plasma physics for the layperson..
I never understand how older folks are so dismissive that nuclear war isn't a possibility. The world is far different and people far more desperate than in the 1960 during the Cuban missile crisis.
Because they already lived through the threat. Young people of today are discovering the joys of living with the possibility of sudden annihilation. Yay!
/s
@@PatrickKQ4HBD believe me buddy, we all grew up hiding under our desks too, only we were hiding from bullets. You act as though nukes and war isn't even a real thing only because you never had to experience it.
"I never understand how older folks are so dismissive that nuclear war isn't a possibility. "
What is your definition of older folks?
Of course it is likely and thanks to our current president, even more likely. Older folks are less likely to push the button, but a certain older man might well mistake it for flushing the toilet.
You stereotype. Many older people do not dismiss the possibility of nuclear war. That might explain why I have studied nuclear energy and also own my own Geiger counter. Not many have those in their own homes and do not know how to read or use them. Am I young? No, I was one of the kiddos that had to hide under their desk. :) Word from an older person….. plan for various scenarios, it is like insurance, but live your life and don’t worry. What will be will be. But it is good to have a plan in case you needed to take care of yourself in certain situations….. just like buying car and home insurance. 😊
@@sheila7814 that's fair for you. However I was raised in a world where I was told by all authority that any concerns for these things were trivial and insane, to not worry be happy, and get into student loan debt at any cost because it's always worth it. Meanwhile, my generation has the highest rate having experienced homelessness, and things like home insurance, medical insurance, and car insurance are becoming out of our reach financially even with 'decent jobs'.
"trying to prove that they had a bigger ...... uh, missile I guess" lol.
Really wish there were more DATA on this subject available to the public. I understand there was a fair amount of empirical test data on this collected in the early 2000's [paid for by the taxpayer] but damned if I can find it.
Incredibly interesting! Thanks, Dave :)
You also totally ignored the Carrington Event. Will it happen again? Yes.
CMP induces EMP effects that have a very sLow rise time and of very long duration. Totally different than EMP from nuclear device.
Great topic, Dave.
Dave, appreciate you sorting through all this gobbledygook to characterize exactly what we need to be concerned with.
I think the LPF idea is pretty good but wonder about some of the other entry-points but then again if they are power, then they most likely have reactive components.
Any of the other entry-points could probably looked a,t as to how much of an antenna they exhibit and are probably not of enough energy coupling to worry about.
My go-to idea is that if you are 'that' concerned, then keep you other spare/ancillary equipment in some form of Faraday-cage--and sleep well... 73