Ghost 85. A square wave at 220 Hz, originating from Deep Ocean. Recorded in a cathedral environment, era: 2020s. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #1767 — Ghost 85
ID#1767
Rarity
LO:53%
Frequency
220 Hz
X-HI:8%
Wave Type
Square
X-HI:10%
Resonance
Crystalline
X-HI:5%
Era
2020s
X-HI:6%
Origin
Deep Ocean