Groan. A am wave at 528 Hz, originating from Nuclear Plant. Recorded in a chamber environment, era: 2020s. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #4619 — Groan
ID#4619
Rarity
HI:17%
Frequency
528 Hz
X-HI:6%
Wave Type
AM
EX:5%
Resonance
Brittle
X-HI:6%
Era
2020s
X-HI:6%
Origin
Nuclear Plant