Signal 33. A sine wave at 80 Hz, originating from Industrial Zone. Recorded in a cave environment, era: Pre-War. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #1517 — Signal 33
ID#1517
Rarity
MID:36%
Frequency
80 Hz
X-HI:6%
Wave Type
Sine
X-HI:13%
Resonance
Hollow
X-HI:5%
Era
Pre-War
EX:3%
Origin
Industrial Zone