[CQ-Contest] Soundproofing?

[Jim Brown]

On 11/3/2021 11:44 AM, K7LXC via CQ-Contest wrote:
> I need to soundproof one wall of my shack. I bought some cheap foam tiles and they’re about 1 dB attenuation – not good enough.

Hi Steve,

Define "soundproof." Do you mean to prevent outside sound from coming 
in, or do you want to prevent it from reflecting sound that hits it from 
inside the room?

73, Jim K9YC