Grain. A fm wave at 440 Hz, originating from Forest Edge. Recorded in a cave environment, era: 1960s. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #2665 — Grain
ID#2665
Rarity
LO:52%
Frequency
440 Hz
X-HI:7%
Wave Type
FM
EX:4%
Resonance
Warm
X-HI:11%
Era
1960s
X-HI:6%
Origin
Forest Edge