Drone 97. A fm wave at 528 Hz, originating from Subway Tunnel. Recorded in a open air environment, era: 2000s. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #3363 — Drone 97
ID#3363
Rarity
LO:60%
Frequency
528 Hz
X-HI:6%
Wave Type
FM
EX:4%
Resonance
Brittle
X-HI:6%
Era
2000s
X-HI:8%
Origin
Subway Tunnel