Flare. A sine wave at 220 Hz, originating from Subway Tunnel. Recorded in a membrane environment, era: 1960s. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #4806 — Flare
Owner![]()
0xF123A0aBD388Be01bc623f7fFc109c7F1b24409D
ID#4806
Rarity
LO:62%
Frequency
220 Hz
X-HI:8%
Wave Type
Sine
X-HI:13%
Resonance
Cold
X-HI:10%
Era
1960s
X-HI:6%
Origin
Subway Tunnel