Yowl. A sine wave at 4096 Hz, originating from Urban Grid. Recorded in a container environment, era: 1920s. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #3103 — Yowl
ID#3103
Rarity
MID:48%
Frequency
4096 Hz
EX:3%
Wave Type
Sine
X-HI:13%
Resonance
Hollow
X-HI:5%
Era
1920s
EX:4%
Origin
Urban Grid