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[-] BGDelirium@hexbear.net 23 points 2 months ago

What is this? Looks like a instadeath spiked room you fall into in a Mega Man level

[-] Awoo@hexbear.net 30 points 2 months ago* (last edited 2 months ago)

Anechoic chambers are all like this, they're utterly soundproof rooms. They're also supposedly only something humans can stay inside for short time periods because it gets uncomfortable when you start to realise you can hear the blood travelling through your own veins because of how silent it is.

This one is set up for whatever the job of this antenna is. I don't know enough about the antenna to comment on it.

[-] LeninWeave@hexbear.net 20 points 2 months ago

I think this room is the same, but for RF rather than sound. It would be used to test various RF equipment without (as much) interference or reflections.

[-] Awoo@hexbear.net 11 points 2 months ago

Yeah that makes sense and also makes it more unique than sounds alone.

[-] Xavienth@lemmygrad.ml 10 points 2 months ago

Can confirm. I've been in a room exactly like that, where they had an antenna mounted on one wall like the above picture, an RF reflector mounted on the opposite wall, and RF dampening cones on every surface, so that they could measure the frequency curve at a distance twice that of the size of the room (the curve changes with distance)

[-] altphoto@lemmy.today 10 points 2 months ago

Yes exactly. This is a room to test for signals, wanted or unwanted coming out of the devices to be tested. I know nothing about it so don't spy on me please lol.

[-] Bolshechick@hexbear.net 16 points 2 months ago

They're also supposedly only something humans can stay inside for short time periods because it gets uncomfortable

It's true! I've been in one and it was uncanny as hell. I've also been in an echoic chamber where the tiniest little footstep or w/e echoes and echoes and echoes

[-] hotcouchguy@hexbear.net 14 points 2 months ago

it gets uncomfortable when you start to realise you can hear the blood travelling through your own veins because of how silent it is.

Wouldn't be me, I'm built different, I got tinnitus

[-] jack@hexbear.net 10 points 2 months ago

I've been in one and it is weird as hell

[-] Edie@hexbear.net 16 points 2 months ago* (last edited 2 months ago)

Looks similar to foam sound padding. Reducing waves (whether that be sound or something else) Presumably for creating a room without interference for the antenna.


β“˜ π˜›π˜©π˜ͺ𝘴 𝘢𝘴𝘦𝘳 π˜ͺ𝘴 𝘴𝘢𝘴𝘱𝘦𝘀𝘡𝘦π˜₯ 𝘰𝘧 𝘣𝘦π˜ͺ𝘯𝘨 𝘒 𝘀𝘒𝘡. π˜—π˜­π˜¦π˜’π˜΄π˜¦ 𝘳𝘦𝘱𝘰𝘳𝘡 𝘒𝘯𝘺 𝘴𝘢𝘴𝘱π˜ͺ𝘀π˜ͺ𝘰𝘢𝘴 𝘣𝘦𝘩𝘒𝘷π˜ͺ𝘰𝘳.

[-] xorollo@leminal.space 9 points 2 months ago
[-] sodium_nitride@hexbear.net 9 points 2 months ago

It simulates the conditions the antenna will find in space, where everything else is at a "large" distance from the antenna.

It's gonna be expensive to build cause you need to build it to pretty high standards. Even small defects can cause interference in your data.

this post was submitted on 08 Nov 2025
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