Groan 33. A noise wave at 20 Hz, originating from Urban Grid. Recorded in a container environment, era: 1970s. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #1616 — Groan 33
ID#1616
Rarity
MID:28%
Frequency
20 Hz
EX:4%
Wave Type
Noise
X-HI:6%
Resonance
Brittle
X-HI:6%
Era
1970s
X-HI:6%
Origin
Urban Grid