Still 40. A sine wave at 4096 Hz, originating from Mountain Pass. Recorded in a anechoic environment, era: 1990s. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #5286 — Still 40
ID#5286
Rarity
MID:41%
Frequency
4096 Hz
EX:3%
Wave Type
Sine
X-HI:13%
Resonance
Absolute
EX:2%
Era
1990s
X-HI:9%
Origin
Mountain Pass