Ping 98. A pulse wave at 220 Hz, originating from Mountain Pass. Recorded in a anechoic environment, era: 1950s. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #4651 — Ping 98
ID#4651
Rarity
MID:41%
Frequency
220 Hz
X-HI:8%
Wave Type
Pulse
X-HI:7%
Resonance
Viscous
EX:3%
Era
1950s
X-HI:5%
Origin
Mountain Pass