Drone 48. A pulse wave at 8000 Hz, originating from Subway Tunnel. Recorded in a cave environment, era: 1980s. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #4502 — Drone 48
Owner
0x47Ac1425750562c369E1Ea653E1A4768ee6de4fa
ID#4502
Rarity
HI:19%
Frequency
8000 Hz
EX:2%
Wave Type
Pulse
X-HI:7%
Resonance
Metallic
EX:5%
Era
1980s
X-HI:8%
Origin
Subway Tunnel