Howl. A sawtooth wave at 142 Hz, originating from Subway Tunnel. Recorded in a anechoic environment, era: 1990s. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #3206 — Howl
ID#3206
Rarity
LO:62%
Frequency
142 Hz
X-HI:9%
Wave Type
Sawtooth
X-HI:9%
Resonance
Dense
X-HI:6%
Era
1990s
X-HI:9%
Origin
Subway Tunnel