Ping 45. A square wave at 142 Hz, originating from Arctic Tundra. Recorded in a cathedral environment, era: 1950s. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #0440 — Ping 45
ID#440
Rarity
X-LO:75%
Frequency
142 Hz
X-HI:9%
Wave Type
Square
X-HI:10%
Resonance
Soft
X-HI:8%
Era
1950s
X-HI:5%
Origin
Arctic Tundra