Shard. A am wave at 528 Hz, originating from Nuclear Plant. Recorded in a corridor environment, era: 2010s. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #1694 — Shard
ID#1694
Rarity
HI:19%
Frequency
528 Hz
X-HI:6%
Wave Type
AM
EX:5%
Resonance
Hollow
X-HI:5%
Era
2010s
X-HI:7%
Origin
Nuclear Plant