BTW, a Faraday Cage is very easy to construct for putting electronic gear inside of to protect it
here's what have learned in actually making a Faraday Cage that works:
take a container like a cardboard box with a lid that has flanges to fit over and overlap the edges when the lid is put on; or a star-foam ice chest
go to hardware store and order some aluminum foil tape
wrap the box or chest completely in aluminum foil - you will want to get to 24 micron thickness, and if using typical supermarket foil, will need to wrap the container 4 times; so you might want to order some aluminum foil that has appropriate thickness so will just have to wrap 1 time
now here is the sensitive part - need to be careful with where the lid fits and seals because, darn it, cell phone microwaves a very short wave length and they will penetrate through the tiny gap of a lid - that's why urge to go with a box that has a lid that has flanges
It's pretty straight forward to put a radio that is playing, say an AM or FM station, put it into the box, put the lid on, and have the radio go completely silent; but it can be more challenging to seal sufficiently to where you block microwaves of your cell phone - but you now know the issue to concentrate on, and I affirm to you that it can be adequately addressed to where a cell phone will be blocked from all transmissions when put inside a Faraday Cage
But when taking the Prepper step of making these low cost boxes for protecting your radio gear, you'll probably need to buy two of everything - the unit you use every day, and the unit you have put away in a Faraday Cage so that it will survive through an EMP
Just so you know, cell phone signals are very low energy and this is why they aren’t penetrating your steel cans. An EMP on the other hand is a pulse of extremely high energy and is far more likely to penetrate the steel. You can’t say your electronics are safe from EMP just because they aren’t receiving their normal signal.
If you can get your hands on military grade electronics rather than commercial, you won’t need any sort of extra shielding as their circuitry is designed to withstand EMPs by having far thicker circuits and more/wider insulation between circuits. They’ve learned from when the last time the sun gave off an EMP.
Tin foil will block transmissions but not an EMP, if it were that easy they would seal electronics in shielding instead of making the circuitry resistant.
BTW, where would this text messaging thing for GMRS go? Well, imagine a computer server that is always listening for GMRS text messages on some repeater network, and that that computer is running a software system that is kind of like Twitter. You'd have a conventional Internet-based access to this server and would set up your account. But if the Internet were to go down our for some reason (or the server is banned from the Internet), then would still be able to post text messages to the server via GMRS.
Now when operating over GMRS, this would all be very, very low band width, so wouldn't be pushing images and videos - just brief text messages - just like Twitter started out as.
But think of a world where patriots can't rely on their Internet servers having their DNS names resolved because they've been prohibited by the police state, so there's no way to get IPs resolved easily for people to find the servers - and maybe one has to keep shifting on use of IPs. Well, this GMRS based text messaging server could be a way to daily post DNS-to-IP associations, and patriots everyday would download the latest mappings from GMRS.
Yeah, that would be what I'd have the GMRS text messaging server provide - be a dispenser of a DNS (or several DNS servers) IPs - so that patriots could use that to download and seed their computer's DNS search list to include DNS resolution of patriot sites that have been banned from all the official or approved DNS servers
Patriots would have a way to determine their DNS list that isn't dependent upon being officially approved or allowed via the usual gate keepers
And one has to imagine that these IPs would probably have to be changed frequently so that Patriots will need to always have a means to stay up to date on them.
it's very conceivable that that day will come given how deep the reach of Cancel Culture has already gotten on such matters - Gab is kind of like the Poster Child
yes, a home-made Faraday Cage consisting of a star-foam ice chest wrapped in 4 layers of supermarket grade aluminum foil has been tested and with extra care and effort regarding the lid seal, it does indeed completely isolate a cell phone from RF signal interaction
am going to make more, but am going to shift the design over to cardboard box with manner of lid with flange and will order aluminum foil of thicker grade such that will require only one layer of wrapping (to save time in the process)
lot of people go with ammo cans, and that's a great approach - if you have some laying around to spare (mine I actually use for ammo storage), but they tend to be more spendy than cardboard boxes and aluminum foil (and foil tape); if I went with an ammo can, I'd also put an electrical non-conductor liner inside the can in which to house the electronics devices
yeah, think of potential EMP attack, etc
BTW, a Faraday Cage is very easy to construct for putting electronic gear inside of to protect it
here's what have learned in actually making a Faraday Cage that works:
take a container like a cardboard box with a lid that has flanges to fit over and overlap the edges when the lid is put on; or a star-foam ice chest
go to hardware store and order some aluminum foil tape
wrap the box or chest completely in aluminum foil - you will want to get to 24 micron thickness, and if using typical supermarket foil, will need to wrap the container 4 times; so you might want to order some aluminum foil that has appropriate thickness so will just have to wrap 1 time
now here is the sensitive part - need to be careful with where the lid fits and seals because, darn it, cell phone microwaves a very short wave length and they will penetrate through the tiny gap of a lid - that's why urge to go with a box that has a lid that has flanges
It's pretty straight forward to put a radio that is playing, say an AM or FM station, put it into the box, put the lid on, and have the radio go completely silent; but it can be more challenging to seal sufficiently to where you block microwaves of your cell phone - but you now know the issue to concentrate on, and I affirm to you that it can be adequately addressed to where a cell phone will be blocked from all transmissions when put inside a Faraday Cage
But when taking the Prepper step of making these low cost boxes for protecting your radio gear, you'll probably need to buy two of everything - the unit you use every day, and the unit you have put away in a Faraday Cage so that it will survive through an EMP
Just so you know, cell phone signals are very low energy and this is why they aren’t penetrating your steel cans. An EMP on the other hand is a pulse of extremely high energy and is far more likely to penetrate the steel. You can’t say your electronics are safe from EMP just because they aren’t receiving their normal signal.
If you can get your hands on military grade electronics rather than commercial, you won’t need any sort of extra shielding as their circuitry is designed to withstand EMPs by having far thicker circuits and more/wider insulation between circuits. They’ve learned from when the last time the sun gave off an EMP.
Tin foil will block transmissions but not an EMP, if it were that easy they would seal electronics in shielding instead of making the circuitry resistant.
BTW, where would this text messaging thing for GMRS go? Well, imagine a computer server that is always listening for GMRS text messages on some repeater network, and that that computer is running a software system that is kind of like Twitter. You'd have a conventional Internet-based access to this server and would set up your account. But if the Internet were to go down our for some reason (or the server is banned from the Internet), then would still be able to post text messages to the server via GMRS.
Now when operating over GMRS, this would all be very, very low band width, so wouldn't be pushing images and videos - just brief text messages - just like Twitter started out as.
But think of a world where patriots can't rely on their Internet servers having their DNS names resolved because they've been prohibited by the police state, so there's no way to get IPs resolved easily for people to find the servers - and maybe one has to keep shifting on use of IPs. Well, this GMRS based text messaging server could be a way to daily post DNS-to-IP associations, and patriots everyday would download the latest mappings from GMRS.
Yeah, that would be what I'd have the GMRS text messaging server provide - be a dispenser of a DNS (or several DNS servers) IPs - so that patriots could use that to download and seed their computer's DNS search list to include DNS resolution of patriot sites that have been banned from all the official or approved DNS servers
Patriots would have a way to determine their DNS list that isn't dependent upon being officially approved or allowed via the usual gate keepers
And one has to imagine that these IPs would probably have to be changed frequently so that Patriots will need to always have a means to stay up to date on them.
it's very conceivable that that day will come given how deep the reach of Cancel Culture has already gotten on such matters - Gab is kind of like the Poster Child
Have you tested this
yes, a home-made Faraday Cage consisting of a star-foam ice chest wrapped in 4 layers of supermarket grade aluminum foil has been tested and with extra care and effort regarding the lid seal, it does indeed completely isolate a cell phone from RF signal interaction
am going to make more, but am going to shift the design over to cardboard box with manner of lid with flange and will order aluminum foil of thicker grade such that will require only one layer of wrapping (to save time in the process)
lot of people go with ammo cans, and that's a great approach - if you have some laying around to spare (mine I actually use for ammo storage), but they tend to be more spendy than cardboard boxes and aluminum foil (and foil tape); if I went with an ammo can, I'd also put an electrical non-conductor liner inside the can in which to house the electronics devices
When they come looking for you, shoot your cellphone and then throw it the water.