Rustle. A pulse wave at 220 Hz, originating from Radio Tower. Recorded in a vacuum environment, era: 1950s. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #1819 — Rustle
ID#1819
Rarity
MID:36%
Frequency
220 Hz
X-HI:8%
Wave Type
Pulse
X-HI:7%
Resonance
Cold
X-HI:10%
Era
1950s
X-HI:5%
Origin
Radio Tower