Chirp 69. A sawtooth wave at 80 Hz, originating from Subway Tunnel. Recorded in a open air environment, era: 2020s. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #1652 — Chirp 69
ID#1652
Rarity
LO:62%
Frequency
80 Hz
X-HI:6%
Wave Type
Sawtooth
X-HI:9%
Resonance
Crystalline
X-HI:5%
Era
2020s
X-HI:6%
Origin
Subway Tunnel