Whisper 91. A sine wave at 220 Hz, originating from Pacific Basin. Recorded in a container environment, era: 1970s. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #4743 — Whisper 91
ID#4743
Rarity
LO:74%
Frequency
220 Hz
X-HI:8%
Wave Type
Sine
X-HI:13%
Resonance
Harsh
X-HI:8%
Era
1970s
X-HI:6%
Origin
Pacific Basin