Surge 26. A am wave at 440 Hz, originating from Subway Tunnel. Recorded in a cathedral environment, era: 1980s. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #4282 — Surge 26
ID#4282
Rarity
LO:62%
Frequency
440 Hz
X-HI:7%
Wave Type
AM
EX:5%
Resonance
Cold
X-HI:10%
Era
1980s
X-HI:8%
Origin
Subway Tunnel