Trill. A am wave at 528 Hz, originating from Nuclear Plant. Recorded in a corridor environment, era: 1960s. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #4206 — Trill
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0x9aCe3ED0B0eE283b9afD5A25e44F286468b4A702
ID#4206
Rarity
MID:26%
Frequency
528 Hz
X-HI:6%
Wave Type
AM
EX:5%
Resonance
Cold
X-HI:10%
Era
1960s
X-HI:6%
Origin
Nuclear Plant