Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KM5UY callsign genealogy
Currently held by PEREZ, DOUGLAS M
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 KM5UY's current licensee, walking backwards.
- PEREZ, DOUGLAS Mcancelled 1999-04-20
Successor callsigns
Callsigns held now by people who previously held KM5UY.
- PEREZ SR, DOUGLAS MMSgranted 2013-05-15cancelled 2025-07-16