Warble 41. A sine wave at 440 Hz, originating from Nuclear Plant. Recorded in a cathedral environment, era: 1920s. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #1030 — Warble 41
ID#1030
Rarity
LO:61%
Frequency
440 Hz
X-HI:7%
Wave Type
Sine
X-HI:13%
Resonance
Cold
X-HI:10%
Era
1920s
EX:4%
Origin
Nuclear Plant