Will A US Army Ammo Can Stop an EMP?

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[@wranglerstar]

Wranglerstar's Favorite Emergency Radio Shortwave radio: amzn.to/3jQ0QlP Handheld radio: amzn.to/3ROfAyb Ammo can: amzn.to/3HK0uFy (amazon affiliate links)

[@nathanz602]

Loving the longer format videos again! Thank you for your hard work, even though KZbin and their infinite genius decides not to push these videos out. 👍

[@danielandrews7028]

I need to test this. I’m using a galvanized trashcan lined with cardboard sitting on the garage floor (earth ground) I have electronics in boxes placed inside the galvanized trashcan.if it doesn’t work I’ll make boefeng burritos in foil ;)

[@adstryker5084]

As pointed out by others, there are some serious disconnects between what's good enough for a low-power radio and what's required to shield from an EMP driven by the energy of a nuclear warhead (or a dying star) -- but, still a very clever and accessible way to tell if you're doing at least some good. Bravo!

[@metafeedburner]

Merch Merch Merch

[@jdrseven]

Mr. Wranglerstar, what you're attempting to do is make a Farraday Cage out of the ammo box. The reason it isn't working is because the antenna is touching the metal box, effectively just making a bigger antenna. Try electrically insulating the radio with a thick sock, then ground the box. The insulation makes a gap for the signal to have to jump after being collected by the box, and grounding the box takes the EM waves absorbed by the box and redirects them into an Electron Sink (the Earth). Without grounding, it is possible the box will absorb and re-emit the signal, although probably a bit garbled. You can use 1/2" Styrofoam to line the inside (don't forget the lid) of the box to electrically insulate everything in the box.

[@codnak9173]

Stopping 8~watts of radio is not the same as stopping an EMP. Depends on how much of the EMP you get. Distance, Time, AND Shielding all play a factor.

[@stevencunningham4680]

Proof that the US forestry service doesn't know it all.

[@bugnout23e]

I do agree especially that I feel there is not enough evidence out there to know what will or will not work but I feel anything made of metal would be nothing but a conductor and amplify not to say he's wrong but who really knows

[@schwuzi]

@@doejon9424 You can build an EMP with parts from a microwave. The channel Keystone science did it.

[@jremedy7053]

More likely the emp comes from space, either the sun or cosmic rays or something in between.

[@jremedy7053]

Lookup the Carrington Event

[@OvertonWindex]

By far the most important thing to do to protect your radios against EMP is to remove the antenna.

[@battshytkrazy156]

EXCELLENT

[@machinist7230]

The big threat is coming through the wall - the danger of an emp is directly proportional to the length of the antenna, and how long are your local power lines? This is why you shouldnt worry so much about what an Emp will do to your gear, vs what it will do to your local power grid (translation: kiss it goodbye).

[@rkymtn_jt]

Check out the EMP Doctor KZbin channel. He’s a former NASA engineer that breaks down how to properly EMP protect all sorts of things and tests the effectiveness with professional equipment. Highly underrated KZbin channel.

[@cybernoid001]

@@rkymtn_jt agreed, he has a lot of good stuff backed by hard practical science with testing to confirm.

[@OvertonWindex]

@@rkymtn_jt I'm familiar I follow him. I'm a former pro myself with electronic countermeasures in the Air Force

[@tylerbuhite5432]

The steel ammo can is such underrated multitool.

[@GotrekGurninsson]

Make great shitters. Cook and camp stoves…

[@samus40glock]

I found one in a car wrecking yard full of tools around 10 years ago and I still use it to this day as a tool box.

[@GoodDeedsBowieTX]

What ever.

[@CycloidalHeadache]

Of course the biggest military budget in the world by an order of magnitude would have a brilliant way to hold the fuel for their death machines 😂

[@fukenbroken1]

If you line the ammo can with cardboard and remove the rubber seal. Then sand the paint off the top end edge and inside the lid where the rubber seal was and then make an rolled aluminum foil gasket all the way around the gasket area you should have a working Faraday cage.That is what I have, only mine is made from a 20mm cartridge can. Survival Lily has a video on that process.

[@Grunttamer]

This sounds great except you need to make sure it’s earthed. The emp will induce current in the shield and it needs somewhere to flow

[@creepyill]

I was going to say the same thing with the rubber liner / cardboard 👍

[@rkymtn_jt]

Check out the EMP Doctor KZbin channel. He’s a former NASA engineer that breaks down how to properly EMP protect all sorts of things and tests the effectiveness with professional equipment.

[@creepyill]

@@rkymtn_jt Thank you I'll check it out!!

[@silverbladeTE]

don't need to remove the rubber seal, the HINGE makes the circuit ;)

[@Ian..]

Alternate layers of foil and insulator (like bubble wrap) and it’s pretty effective. Don’t have any foil touching the can, it will conduct.

[@rkymtn_jt]

Check out the EMP Doctor KZbin channel. He’s a former NASA engineer that breaks down how to properly EMP protect all sorts of things and tests the effectiveness with professional equipment. In fact he has an EMP ammo can test video

[@vanmann8347]

That probably why his first test failed.

[@brianbouwkamp7545]

If an EMP were to really go off, a running engine would make you the target of everyone close enough to hear it. What would your neighbors be willing to do after 3 days of no food when they hear that engine?

[@CainnechK]

Thats why u need like minded neighbors.

[@Grunttamer]

If they aren’t Olympic cyclists or sprinters I imagine they could eat your dust lol

[@Grunttamer]

@@SargentRestoration remember mythbusters is practically ancient now. Cars are way more computerized now

[@streetpunk99]

I have mine set up in the back room of my shed with an intake and exhaust vented through the block wall. From outside even standing directly against the shed you can't hear anything more than what sounds like a dryer vent. There are ways to be quiet about it you just have to be resourceful

[@spacecowboy1438]

Yeah, I'd go check it out but probably to see if I could do something to share the resource. For example, my father is on oxygen so without a generator yet we run into issues when the power goes out. Usually my mom just takes him to a hotel, but if I had to, I would commandeer a generator from one of my tenants to create a habitable public space for people. I wouldn't just take it for my dads oxygen, I would use it to power the well house and provide running heated water with the thing one person was using to power a single 30ft trailer. But I would make sure they thought it was fair before commandeering it with the rest of the tenants support. (I manage a trailer park and people would have sucked me off for a shower when a wildfire destroyed our power grid for three months. Or what they oud have done for a washing machine)

[@northjerseykevin409]

I’ve been watching you since the beginning. Literally. I have always enjoyed you content. I envy how prepared you are for whatever. I hope you’re friends are as well

[@mattcorriere9039]

There's a good fiction book series I've read a couple times. One Second After deals with the aftermath of an EMP attack over several years. Very interesting.

[@atlittlefarm]

a book guaranteed to traumatize you lol

[@troyroperiii5698]

Love that you are making videos again!! Thank you for your effort Cody

[@benduker6839]

A bit short but some is better than none!

[@stevenmark8156]

@@benduker6839 Short is good if he can get to the point, which he did quite well.

[@CainnechK]

May be worth keeping ur night vision in a Faraday Bag when not in use.

[@Swampfox1966]

If you have alot of time to spare, I highly recommend S2 underground, they have comprehensive guides on avoiding modern surveillance and good indepth communications guides. also, while yes you're blocking radio transmission, this will most likely not stop a true to life EMP. as others have mentioned more shielding is required. take care.

[@Ramser03]

Yes absolutely go watch S2. Good stuff

[@thehippie3610]

Also worth noting you want to have a grounding material inside the can. if you have a metal exterior you want to make sure the inside is insulated--heavy rubber foam or something like that. I double things up. One inside the other.

[@Gideon_Judges6]

Ideally, the layers should be electrically insulated from eachother.

[@patricklee5576]

THANK YOU SIR! THESE SHORTS ARE GREAT!!!

[@jasonszion]

Will this stop my cell phone from ringing?

[@rudy7333]

Yes! It's a faraday cage

[@knuttsackjones3094]

As much as don’t want to spend the coin this close to retirement, 10yrs tops I’ve realized I need to get the hell out of the city and county property with elbow room isn’t cheap. Thanks for helping to wake me up👍🏻 I know it’s what’s needed

[@S1aughtahyou]

Come to texas my friend. Cheap down here.

[@yan3066]

​@@S1aughtahyouare you not invaded by illegal immigrants at the moment ?

[@samgraham6355]

If you have an old microwave, old pressure cooker (with metal touching surfaces), or you can modify the ammo cans to make the seals conductive, or just use loads of foil, it should stop the waves. It's kinda cool how it works too. Apparently it's something like the speed of light (or in this case speed of radio wave) decreases a lot when the wave tries to pass through metal, in this case, the radio wave. This makes a charge which is opposite charge of the wave as it hits metal, in nearly the same place as the incoming electromagnetic wave, and as that incoming tries to go through the metal, the charge and the wave end up eating themselves or reflecting out or some combination of the two, and the effect is different based on frequency. Gamma radiation punches through most anything for instance. Radio waves like to bounce off of things as thin as foil.

[@tyrant6647]

Interesting to see you cover this. I've been looking up Farady bags lately to protect my optics.

[@JohnQ9089]

Cool video. I love these types of trial and error type videos. Lets everyone actually see what works and what doesn't instead of just taking someone's word for it

[@rkymtn_jt]

Or just check out the EMP Doctor KZbin channel. He’s a former NASA engineer that breaks down the science on how to properly EMP protect all sorts of things and tests the effectiveness with professional equipment.

[@stockbulll]

That works to block a signal from the radio but what frequency and power would an EMP be?

[@allienoneya4257]

I made an EMP container using a steel trash can , tight lid. Lined with a thick foam sheeting . The lid is extremely hard to get off but I also took a roll of metal, advertised EMP tape and sealed the lid to the can at the lids seams .

[@sammyblaze4234]

emp tape lol

[@captainheat2314]

@Sammy Blaze emp tape or alu foil tape

[@allienoneya4257]

@@captainheat2314 it was described and labeled as such. It is a dull reflective tape. Heavy textured along the lines of duct tape. Regardless the lid is very tight fitting and the tape as just a layer of extra protection. Manufacturer 3M corporation. So I took it as a quality product.

[@myamigood]

Question ... do you know if taking a shipping container spray foamed with 3 inches including doors would be similar to the trash can setup?

[@allienoneya4257]

@@myamigood not sure. Ask those more knowledgeable of the subject.

[@danielpaquette1597]

I think the power level would be much higher, also much wider frequency bands from an EMP. Not sure how you could safely test whatever solution you come up with. Really if a solution is important it is worth testing so you can rely on it. But, if you ground the can and electronically isolate the layers, you probably have a much better than nothing solution. Keep up the good work.

[@JohnPlissken]

If you turn it into a proper Faraday cage, you don't really need to test it for all of that, we know it works because science. An insultated object inside an enclosed and grounded conductor will be isolated from any electromagnetic energy. The EMP will run through the conductor to the ground and dissipate while being isolated from what is inside.

[@mikejurnak4253]

They absolutely have you on some Government watchlist 😂🤣 Stay blessed brother 🙏🏻

[@Review-This]

I did this for all me electronic bug out gear and portable solar panels with inverters. But I used the hvac aluminum tape and it worked great. But I heard I should ground the can also what’s your thoughts on having to ground it.

[@JoshAnderson-jr6wx]

Line the inside with cardboard or plastic as a liner, take the paint off the top edge of the can that goes against the seal, put whatever you want that will fit inside not letting it touch the inside of the metal or too close to the lid. Put 5 sheets/layers of foil over the top completely covering the seal area and close/latch the lid, you now have a water sealed emp proof can.

[@Cincinnatis]

Love this content. I alternate Saran wrap and aluminum foil for a few layers. Also a barrier lining on the inside of the can like cardboard helps.

[@KissyKaede]

Asking and answering the real questions now. Good lad.

[@clintbillton2161]

I was hopeing to se you bombard the magbox with some enormous emp-pulses. 😆 🤣

[@zephanchapple-elliott6888]

Perfect timing, I just bought one for storage purposes, now I'm tempted to go buy some more

[@DavidHain-TX]

Your content is very valuable. So good. Thank you for the hard work and time.

[@wranglerstar]

I appreciate that!

[@otisdriftwood3829]

Once again you are the fountain of knowledge I drink from today. Thank you.

[@Reliikki81]

This is how USFS protects their firefighters against rogue EMPs in the wilderness

[@bobt471]

How ? By using 2 layers of Aluminum Foil?.?

[@InnerView_]

I like your sense of style...

[@gerdussy5189]

Thumbnails are looking stellar.

[@ascott6804]

This channel is so damned awesome!!

[@bobpob8431]

love your channel always recommend you to others

[@johnobannon2291]

Spent some time on the wrong side of the law...when I would travel for 'business' I kept my burner phone sandwiched between miniature meatloaf pans available from any dollar or grocery store. The foil is very thick and you can form the pans to the shape of the phone perfectly. Two on top, two on bottom.

[@HenryHoffman]

you are the big brother everyone wishes they had great work Cody

[@dcavic6157]

Got it, electronics to save wrapped in aluminum foil 2x, placed in ammo cans, inside 25 gallon metal trash can with lid, inside a 50 gallon metal trash can with lid. Sounds like a lot but saving rechargeable battery's, flashlights, phone and radios could all be worth it in the vent of a EMP or solar flare. This was a great little test thank you!

[@yan3066]

My man ! 👍 I feel the same way as you. Better have more protection than less. If an event like that would happen, imagine how valuable your spared electronics are. Battery charger, rechargeable batteries, a radio, walkie-talkie, flashlight, solar battery charger, cellphones (can be used as mp3 with headphones), and so many more. A tip, don't forget to hide it and be discreet with your electronics in an apocalypse. The common men aren't ready for it and many will have to steal to survive. Take care, God bless !

[@MBraun-gr8ye]

Well, yes and no. Really depends on the strength of the pulse and your proximity to the pulse. Anything plugged into the wall would probably get fried. But sensitive electronics (ham radio, etc.) not plugged in, has a good chance of being ok using your method. It's kind of a "cheap and dirty" method, but it's better than nothing.

[@kerryprance3767]

Most everybody HAS a Faraday cage in their house ( even hotel rooms).... It's called a " Microwave Oven".

[@daneking1209]

I highly suggest you insulate the item wrapped in tinfoil from the ammo can. Cardboard works great for this.

[@greggmouritzen7478]

Some of the mods I have seen used for this are Remove the rubber gasket from the can. Remove some if the paint, to make a continuous circuit. Ground the box. (Some debate here) Better to utilize a metal trash can. Two layers if Tin Foil? Glad to see it works with the ammo can.

[@Cotronixco]

More tricks: 1) Replace seals in cans and containers with metal-impregnated materials 2) GROUND the surrounding cage to earth

[@gmsllc]

Does it matter if the electronics are off? Does it destroy the electronics by putting a current through the electronics?

[@heyman5525]

The destruction of an emp is reliant upon length. Long cables are the most susceptible. An emp needs to travel or find something long and conductive. Power lines, barbed wire fence, and train tracks are probably the most vulnerable.

[@IntrepidRazor]

Would a faraday bag do the trick? I have one that you can drop a radio or cell phone inside and they receive zero signal. Curious

[@brandonl5247]

thanks man! i actually keep my radios in the same ammo can. i was wondering the same thing. I definitely need to line line the can with foil and radios when not in use.

[@OutdoorLance]

I saw a device that said it made most modern vehicles emp proof. Any thoughts on this being there's no real way to testvit?

[@fixedG]

EMPDoctor did a good couple of videos on this years ago, testing metal garbage cans and the best gasket seals around the lid. Even large ammo cans might be too small for the broad array of emergency electronics you might want to protect but you can get and prepare decent sized galvanized steel garbage cans and lids from your big box hardware store, make sure you have a good metal gasket seal around the lids and you've got faraday storage space in spades.

[@robertcarmosino6563]

Don't forget to line the inside with cardboard, bottom and sides

[@jimmycarter3498]

That may stop transmission, but how do you know the power of a emp blast and what it would take to defend against?

[@Fran-rn3ob]

I don’t think people fully comprehend how powerful a EMP actually is.

[@AmRock83]

The ideal solution is to get two layers of conductive material separated by a layer of insulating material wrapped around whatever you are trying to protect. Ammo cans make good containers but because of the gaskets and paint, they're kind of lousy at EM protection. Try the same thing but put a non-conductive layer between your foil layers

[@offgridmontana1243]

Cardboard on bottom and all sides with faraday bags, and aluminum around the rubber seal to fully seal off the metal ammo can. I've made these for years.

[@ryanrivera1224]

This was a very good/informative video

[@mateobravo9212]

Remember to keep some foil back for head protection.

[@chrismiller100]

So, if it blocks a simple radio signal, it’ll block an EMP? I have my doubts.

[@msears101]

your doubts are correct.

[@bmffafo5004]

That is pretty much all a EMP is, we have been using them in the military for many years at different levels. This is how we avoid IEDs being detonated by cellular devices and remotes.

[@probuilder961]

That's my question.

[@Johnysoutherner]

@BMF FAFO isn't wrong. An EMP & radio signal are essentially identical as far as electronics are concerned. Yes. There is the levels of intensity, spectrum spread, etc.....but these are more or less things to account for the amount of shielding needed, not the type of shielding itself.

[@htmagic]

Cody, ground the can. Once you do, you might not need the extra foil.

[@CaptainHowdy420]

I don't know why but now I'm hungry for some corn on the cobb...! 🤣

[@17dcolby]

But what if you had the ammo can grounded to say a grounding rod similar to how the power company grounds meter bases.

[@richardspiek1401]

QUESTION... Would the can ALONE work if the gasket material was removed and provisions added in that area to insure CONTINUOUS electrical contact? Thanks, ...Rich N3JLR

[@giovanniojeda2059]

thank you for that .. I have always wondered how I could protect something by making a Faraday cage and this is just the thing... now I wonder if I line the inside of the can with multiple layers if it will help even more

[@guye7763]

I think you should put Schrödingers cat in there. 😅

[@sbrazenor2]

The cans often has a gasket, so that will cause some leakage. The other issue is that microwave transmissions and EMPs are not exactly the same. If you grounded that box or a proper Faraday cage that should provide better protection as the charge pulse will essentially dissipate around the contents of the box.

[@davidscott5903]

Would it help if you attach a ground wire to the ammo can?

[@cammac9957]

That's a cool looking box.i would probably use it for holding biscuits.

[@manmountain7545]

Good info. Keep up the good work.

[@TSGEnt]

This is a great tool! Thanks for the idea. Copper will out perform aluminum and help in constructing a Faraday Cage. There is inexpensive copper fabric that can line anything including an ammo can, vittel vault, etc. Haven't tried it, but I'm told it is was working solution. However, everyone has 2 layers of aluminum foil available right?

[@wiggledytoes]

Does lining the ammo box with two layers of tin foil work or is it the air gap between the foil and ammo box that makes it work. Knowing this would help prevent having to wrap individual items each time theyre placed in the ammo box

[@rkymtn_jt]

Check out the EMP Doctor KZbin channel. He’s a former NASA engineer that breaks down how to properly EMP protect all sorts of things and tests the effectiveness with professional equipment.

[@wolfgangsereinig5305]

Can you explain this with the electronic ignition? How to Start für example a car with it?

[@seanflorian4653]

Alright brothers, today were testing the cheapest EMP generator on AMAZON

[@badcompany3057]

Oops, I have a few alterations to make. Good vid.

[@bogiebeer]

I miss your project videos!!! I get it the shorts make money but damn dude!!!!

[@MrAdamchristopher2]

You could also try putting a few layers of aluminum over the top of the can before you close it. I would also wrap the gear in foam. So it isn't touching the ammo can metal.

[@pcheck62]

Very interesting. Thanks for the info.

[@emolasher]

Well, 2 layers and an ammo can, is only enough to block the wattage of a walkie talkie(5 watts?). Very interesting video though, maybe do something like the "Project Farm" channel. With grounding wire, w/o, multiple layers, no rubber gasket. Check how well an old microwave/oven/fridge/similar appliance would work, maybe cut off the Neutral/Live and leave the ground then plug it in too an outlet see if that changes the emp characteristics. Maybe an entire video series of this content.

[@RedRacconKing]

You realize the signal power of that radio is orders of magnitude smaller than the signal power of an EMP. All this video showed is that you can interfere with the radio transmission by wrapping the receiving device with aluminum foil.

[@walterbargersr3402]

Awesome idea awesome video thank you wranglerstar. Question if you have a gas generator how could you protect that a lot of devices that are out on the market today are too expensive can't afford them thank you once again God bless brother

[@robertwoerner20]

Another good thing to add is an external grounding strap that actually is to an earth ground...or your bed sheets either or 😉 thanks for posting this

[@ecc1944]

I have read a lot about sun burst EMPs, also I am a Ham radio operator, we hams track sun spots and sun emissions because those can change how our radio signals travel around the world. We may be able to get our signals farther (or not), using some sun emissions or sun spots. This info is publicly available. The reason I am posting here is because I've been into electronics ,(and prepping), for a lot of my life.. Now 78 years old. I was a radio and electronic countermeasures repairman in the USAF 1967 - 1970. One year in Vietnam top secret electronic air borne recon.. and so on. An EMP shield is also a type of faraday shield. Named after the scientist Faraday. In our shop we had a fully copper faraday cage so we could work on sensitive radio receivers without outside electrical interference. Heavy door made of brass and copper with copper screening for all sides. We didn't need it airtight. So here is the thing everyone must under stand.. While an enclosure will certainly help, and yes foil wrap will stop radio frequency transmissions, and EMP is a force of high magnetism encompassing many frequencies.. the enclosure be it a can or a metal barn should be grounded to the earth around its perimeter. Earth grounding will help bleed off the EMP and or Radio Frequency signals making EMP shields more highly efficient.

[@WATTYATHINK]

Now I know why my neighbor has been wearing an ammo can on his head ....

[@spacecowboy1438]

To heck with tin foil hats. Get me a tin foil ammo can.

[@Grunttamer]

The shielding must be earthed. Remember that an emp is a massive amount of power that has to dissipate somewhere. That radio is what 5-10 watts max? Use an old microwave, break off the hot and neutral pins and keep it plugged in.

[@stevenmark8156]

You would want to test that microwave theory. I’ve heard both stories. Some say they will work, others say they will not. I tried mine and it did not work. But it may depend on the micro wave.

[@Grunttamer]

@@stevenmark8156 yes I went to double check after I commented and almost changed it. Seems like the mesh is too big in modern microwaves. A solid metal box that is grounded would be a more reliable solution

[@GetBigOrDie28]

Portable Faraday Cages do not need to be grounded. A Faraday cage works by distributing charge/radiation around the exterior. You might consider solidly connecting a ground for safety reasons against electric shock, but a ground doesn't enhance a cages shielding effects.

[@geoffgaar9616]

Your ground wire is just another antenna to pull in the EMP microwave radiation. Think of a faraday cage as a waterproof container sitting in a dry ditch. When there's a flood, you just need to have the water flow around the outside of your container and move on. You don't need to install a drain pipe (a ground wire) to lead it away. But that's as far as that analogy works. The problem is, microwave radiation can seep in through a tiny straight-line edge that breaks the continuity of the radiation's flow, even though the edge is sealed enough to keep out water.

[@teflone121]

A Faraday cage by definition is grounded. Everyone forgets about grounding/earthing.

[@An_Attempt]

If you want to stop all electromagnetic waves from penetrating there are three steps: 1. Completely seal all the gaps with conductive material. 2. Insulate the electronics from the exterior faraday cage. 3. Ground the exterior of the faraday cage. 4. Have all the batteries removed.

[@Vuntermonkey]

Ok, thing with protecting electronics is you need to intercept the incoming charge and redirect. So, insulate the interior of the can and ground the exterior. Multiple layers of conductive material/insulation inside the can might help as redundancies.

[@rkymtn_jt]

Check out the “EMP doctor” KZbin page. Former NASA engineer explains how to do it right 👌

[@Vuntermonkey]

@T.J. Kong Grounding prevents buildup of charge on the outer shell which could overcome the insulation. So, grounding is an easy way to overcome the amount of insulation you need. Think of this like building a capacitor. You want the outside and inside (electronic) plates to have enough storage to handle a large input of energy. Grounding the outside will allow for charge to be bled off before enough voltage diff exists across the insulation.

[@guytech7310]

@@Vuntermonkey "Grounding prevents buildup of charge on the outer shell " No charge issue as the equipment inside is electricially isolated and will never have a sufficient voltage differential to arc. Faraday cage has a material to electrically isolate the metal box from the devices under protection. Grounding will never be able to disapate the energy fast enough since it 6 ohms or higher. Ground will also be saturated from the EMP for longer period than it takes to damage equipment.

[@tedkirkham5517]

Would love to see outside video content again

[@ravenoustreasure7452]

Interesting you just posted this and many major websites are having major issues right now

[@HK-qj4im]

The Faraday cage theory requires insulation between the sealed metal containers. Small ammo can.. In a wool blanket.. inside a larger ammo can. The rubber seal on ammo cans probably all leakage of emp energy.

[@collinstiernagle3553]

I just wrap mine with a sock bro. Good luck CHYYYYNUH!

[@JoeCubicle]

Is that regular or heavy duty aluminum wrap? I only use HD. It's totally worth the extra cost!

[@joshr805]

i was thinking about this last night... what about my gun safe. a fire rated gun safe is pretty thick?

[@sixoffive]

I just checked a source, you should have a suitable container that is well sealed. That is grounded to the earth and the contents are insulated from the container. I put my my mobile in plastic bag inside a covered stainless pot into microwave oven and shut the door. The oven remained plugged in, grounding it. That prevented the mobile from receiving calls, it didn’t ring.

[@selador11]

What about wrapping the can in saran wrap, then foil then saran, then foil? What about grounding the can?

[@av1204]

Ammo Can + safe = pretty darn good too..

[@travislupum]

I lined mine with cardboard sanded the lip and use heavy duty aluminum foil to seal it the complete metal seal is important as well as the device not coming into contact with the can

[@liammalone6304]

Bartender cup works very well find yourself a comically big one where you can put your phone/radio in

[@qhack]

Hate to say it, but you will need more protection than that. Your little Baofeng radio probably puts out only about 5-8 Watts of transmit power (depending on model). The average EMP is going to be closer to an order of magnitude greater. You will need something in the order of 50-60 db of attenuation. It's a good idea to ground your ammo can to it's own ground rod (don't use your house ground or other lightning protection system.) That way any spurious energy will stay outside the ammo can and dissipate to directly to ground.

[@yan3066]

Why not use the ground in your house ? Legit question here...

[@billylee2312]

The book one Second After is very eye opening to what could happen.

[@Jollyprez]

I was under the impression that a Faraday cage needs to be grounded to work properly.