Groan. A fm wave at 20 Hz, originating from Radio Tower. Recorded in a underwater environment, era: 1950s. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #2548 — Groan
ID#2548
Rarity
HI:23%
Frequency
20 Hz
EX:4%
Wave Type
FM
EX:4%
Resonance
Brittle
X-HI:6%
Era
1950s
X-HI:5%
Origin
Radio Tower