Tick 43. A sine wave at 528 Hz, originating from Pacific Basin. Recorded in a cave environment, era: 1920s. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #2022 — Tick 43
ID#2022
Rarity
MID:46%
Frequency
528 Hz
X-HI:6%
Wave Type
Sine
X-HI:13%
Resonance
Crystalline
X-HI:5%
Era
1920s
EX:4%
Origin
Pacific Basin