Arc 51. A sine wave at 888 Hz, originating from Mountain Pass. Recorded in a vacuum environment, era: 1980s. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #1139 — Arc 51
ID#1139
Rarity
MID:40%
Frequency
888 Hz
EX:3%
Wave Type
Sine
X-HI:13%
Resonance
Warm
X-HI:11%
Era
1980s
X-HI:8%
Origin
Mountain Pass