Crack 74. A square wave at 741 Hz, originating from Urban Grid. Recorded in a underwater environment, era: 1960s. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #2053 — Crack 74
ID#2053
Rarity
MID:48%
Frequency
741 Hz
X-HI:5%
Wave Type
Square
X-HI:10%
Resonance
Hollow
X-HI:5%
Era
1960s
X-HI:6%
Origin
Urban Grid