Ping 18. A fm wave at 220 Hz, originating from Industrial Zone. Recorded in a cave environment, era: 2020s. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #3581 — Ping 18
ID#3581
Rarity
MID:33%
Frequency
220 Hz
X-HI:8%
Wave Type
FM
EX:4%
Resonance
Phosphoric
EX:2%
Era
2020s
X-HI:6%
Origin
Industrial Zone