Patter. A triangle wave at 142 Hz, originating from Arctic Tundra. Recorded in a underwater environment, era: 1920s. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #0059 — Patter
ID#59
Rarity
LO:52%
Frequency
142 Hz
X-HI:9%
Wave Type
Triangle
X-HI:8%
Resonance
Harsh
X-HI:8%
Era
1920s
EX:4%
Origin
Arctic Tundra