Warble. A pulse wave at 528 Hz, originating from Urban Grid. Recorded in a container environment, era: 2000s. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #3032 — Warble
ID#3032
Rarity
MID:36%
Frequency
528 Hz
X-HI:6%
Wave Type
Pulse
X-HI:7%
Resonance
Hollow
X-HI:5%
Era
2000s
X-HI:8%
Origin
Urban Grid
X-HI:9%