Trill 69. A square wave at 440 Hz, originating from Radio Tower. Recorded in a cave environment, era: 1920s. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #5414 — Trill 69
ID#5414
Rarity
LO:50%
Frequency
440 Hz
X-HI:7%
Wave Type
Square
X-HI:10%
Resonance
Brittle
X-HI:6%
Era
1920s
EX:4%
Origin
Radio Tower