Trill 76. A sine wave at 440 Hz, originating from Urban Grid. Recorded in a underwater environment, era: 1920s. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #1065 — Trill 76
ID#1065
Rarity
LO:65%
Frequency
440 Hz
X-HI:7%
Wave Type
Sine
X-HI:13%
Resonance
Crystalline
X-HI:5%
Era
1920s
EX:4%
Origin
Urban Grid