Sigh 24. A square wave at 20 Hz, originating from Pacific Basin. Recorded in a open air environment, era: 1960s. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #5369 — Sigh 24
ID#5369
Rarity
X-LO:78%
Frequency
20 Hz
EX:4%
Wave Type
Square
X-HI:10%
Resonance
Crystalline
X-HI:5%
Era
1960s
X-HI:6%
Origin
Pacific Basin