Flux. A sine wave at 528 Hz, originating from Arctic Tundra. Recorded in a vacuum environment, era: 2000s. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #0763 — Flux
ID#763
Rarity
MID:32%
Frequency
528 Hz
X-HI:6%
Wave Type
Sine
X-HI:13%
Resonance
Harsh
X-HI:8%
Era
2000s
X-HI:8%
Origin
Arctic Tundra