Shriek 33. A am wave at 440 Hz, originating from Mountain Pass. Recorded in a open air environment, era: 1970s. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #1715 — Shriek 33
ID#1715
Rarity
MID:40%
Frequency
440 Hz
X-HI:7%
Wave Type
AM
EX:5%
Resonance
Brittle
X-HI:6%
Era
1970s
X-HI:6%
Origin
Mountain Pass