Purr 84. A sine wave at 20 Hz, originating from Forest Edge. Recorded in a underwater environment, era: 1950s. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #1271 — Purr 84
ID#1271
Rarity
MID:40%
Frequency
20 Hz
EX:4%
Wave Type
Sine
X-HI:13%
Resonance
Crystalline
X-HI:5%
Era
1950s
X-HI:5%
Origin
Forest Edge