Clap 65. A fm wave at 142 Hz, originating from Subway Tunnel. Recorded in a anechoic environment, era: 2010s. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #0163 — Clap 65
ID#163
Rarity
LO:65%
Frequency
142 Hz
X-HI:9%
Wave Type
FM
EX:4%
Resonance
Hollow
X-HI:5%
Era
2010s
X-HI:7%
Origin
Subway Tunnel