Wave. A sine wave at 528 Hz, originating from Mountain Pass. Recorded in a cathedral environment, era: 1960s. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #5418 — Wave
ID#5418
Rarity
MID:28%
Frequency
528 Hz
X-HI:6%
Wave Type
Sine
X-HI:13%
Resonance
Dense
X-HI:6%
Era
1960s
X-HI:6%
Origin
Mountain Pass