Warble 73. A sine wave at 741 Hz, originating from Nuclear Plant. Recorded in a cathedral environment, era: 1920s. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #1755 — Warble 73
ID#1755
Rarity
MID:43%
Frequency
741 Hz
X-HI:5%
Wave Type
Sine
X-HI:13%
Resonance
Viscous
EX:3%
Era
1920s
EX:4%
Origin
Nuclear Plant