Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K1ZOO callsign genealogy
Currently held by LEONARD, MATTHEW G
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by K1ZOO's current licensee, walking backwards.
- LEONARD, MATTHEW Gcancelled 1999-05-12
Successor callsigns
Callsigns held now by people who previously held K1ZOO.
No current licensee on record previously held this callsign.