Gust 42. A sine wave at 142 Hz, originating from Subway Tunnel. Recorded in a vacuum environment, era: 1970s. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #1328 — Gust 42
ID#1328
Rarity
LO:68%
Frequency
142 Hz
X-HI:9%
Wave Type
Sine
X-HI:13%
Resonance
Cold
X-HI:10%
Era
1970s
X-HI:6%
Origin
Subway Tunnel