Hum. A fm wave at 12000 Hz, originating from Urban Grid. Recorded in a underwater environment, era: 2000s. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #4592 — Hum
ID#4592
Rarity
HI:20%
Frequency
12000 Hz
EX:2%
Wave Type
FM
EX:4%
Resonance
Warm
X-HI:11%
Era
2000s
X-HI:8%
Origin
Urban Grid