Flare. A triangle wave at 142 Hz, originating from Arctic Tundra. Recorded in a corridor environment, era: 1950s. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #2528 — Flare
ID#2528
Rarity
LO:67%
Frequency
142 Hz
X-HI:9%
Wave Type
Triangle
X-HI:8%
Resonance
Cold
X-HI:10%
Era
1950s
X-HI:5%
Origin
Arctic Tundra