Gust. A square wave at 19683 Hz, originating from Subway Tunnel. Recorded in a underwater environment, era: 2000s. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #2743 — Gust
ID#2743
Rarity
X-HI:12%
Frequency
19683 Hz
EX:1%
Wave Type
Square
X-HI:10%
Resonance
Soft
X-HI:8%
Era
2000s
X-HI:8%
Origin
Subway Tunnel