Fold 97. A sine wave at 220 Hz, originating from Mountain Pass. Recorded in a cave environment, era: 1920s. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #3561 — Fold 97
ID#3561
Rarity
X-LO:76%
Frequency
220 Hz
X-HI:8%
Wave Type
Sine
X-HI:13%
Resonance
Cold
X-HI:10%
Era
1920s
EX:4%
Origin
Mountain Pass