Dusk. A sine wave at 142 Hz, originating from Mountain Pass. Recorded in a membrane environment, era: 1970s. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #5427 — Dusk
ID#5427
Rarity
MID:33%
Frequency
142 Hz
X-HI:9%
Wave Type
Sine
X-HI:13%
Resonance
Soft
X-HI:8%
Era
1970s
X-HI:6%
Origin
Mountain Pass