Ghost. A sine wave at 40 Hz, originating from Mountain Pass. Recorded in a open air environment, era: 1980s. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #0766 — Ghost
ID#766
Rarity
LO:65%
Frequency
40 Hz
X-HI:5%
Wave Type
Sine
X-HI:13%
Resonance
Brittle
X-HI:6%
Era
1980s
X-HI:8%
Origin
Mountain Pass