Burst. A sine wave at 220 Hz, originating from Forest Edge. Recorded in a anechoic environment, era: 1970s. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #5211 — Burst
ID#5211
Rarity
MID:25%
Frequency
220 Hz
X-HI:8%
Wave Type
Sine
X-HI:13%
Resonance
Crystalline
X-HI:5%
Era
1970s
X-HI:6%
Origin
Forest Edge