Tide 86. A pulse wave at 220 Hz, originating from Subway Tunnel. Recorded in a anechoic environment, era: 1950s. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #3352 — Tide 86
Owner
0x1d9F5cfF0A4FA600EfFda45fC99F74a41b6Ae2Ce
ID#3352
Rarity
LO:67%
Frequency
220 Hz
X-HI:8%
Wave Type
Pulse
X-HI:7%
Resonance
Hollow
X-HI:5%
Era
1950s
X-HI:5%
Origin
Subway Tunnel