Known Signal. A square wave born in Pacific Basin, resonating since 1990s. Captured at 40 Hz in a corridor space. One of 350 Legendary echoes — sounds that almost escaped recording.
Name
ECHO #2477 — Known Signal
ID#2477
Rarity
X-HI:13%
Frequency
40 Hz
X-HI:5%
Wave Type
Square
X-HI:10%
Resonance
Hollow
X-HI:5%
Era
1990s
X-HI:9%
Origin
Pacific Basin