Trace 69. A triangle wave at 440 Hz, originating from Subway Tunnel. Recorded in a underwater environment, era: 2010s. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #5117 — Trace 69
Owner![]()
0xC3fa6599Dea5f23095bF2B0230d8e2918DF98991
ID#5117
Rarity
LO:51%
Frequency
440 Hz
X-HI:7%
Wave Type
Triangle
X-HI:8%
Resonance
Viscous
EX:3%
Era
2010s
X-HI:7%
Origin
Subway Tunnel