Gust 81. A square wave at 8000 Hz, originating from Subway Tunnel. Recorded in a open air environment, era: 1970s. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #1466 — Gust 81
ID#1466
Rarity
MID:37%
Frequency
8000 Hz
EX:2%
Wave Type
Square
X-HI:10%
Resonance
Warm
X-HI:11%
Era
1970s
X-HI:6%
Origin
Subway Tunnel