Rattle 71. A square wave at 20 Hz, originating from Urban Grid. Recorded in a cave environment, era: 1980s. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #2545 — Rattle 71
ID#2545
Rarity
LO:57%
Frequency
20 Hz
EX:4%
Wave Type
Square
X-HI:10%
Resonance
Crystalline
X-HI:5%
Era
1980s
X-HI:8%
Origin
Urban Grid