Arc 31. A square wave at 440 Hz, originating from Mountain Pass. Recorded in a anechoic environment, era: 1940s. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #3693 — Arc 31
ID#3693
Rarity
LO:52%
Frequency
440 Hz
X-HI:7%
Wave Type
Square
X-HI:10%
Resonance
Brittle
X-HI:6%
Era
1940s
EX:4%
Origin
Mountain Pass