Ping 87. A pulse wave at 440 Hz, originating from Arctic Tundra. Recorded in a open air environment, era: 1940s. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #3650 — Ping 87
ID#3650
Rarity
LO:60%
Frequency
440 Hz
X-HI:7%
Wave Type
Pulse
X-HI:7%
Resonance
Cold
X-HI:10%
Era
1940s
EX:4%
Origin
Arctic Tundra