Trill 67. A fm wave at 16000 Hz, originating from Urban Grid. Recorded in a cave environment, era: Pre-War. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #4620 — Trill 67
ID#4620
Rarity
X-HI:11%
Frequency
16000 Hz
EX:1%
Wave Type
FM
EX:4%
Resonance
Warm
X-HI:11%
Era
Pre-War
EX:3%
Origin
Urban Grid