Silt 54. A fm wave at 440 Hz, originating from Arctic Tundra. Recorded in a chamber environment, era: 1950s. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #1043 — Silt 54
ID#1043
Rarity
LO:52%
Frequency
440 Hz
X-HI:7%
Wave Type
FM
EX:4%
Resonance
Hollow
X-HI:5%
Era
1950s
X-HI:5%
Origin
Arctic Tundra