Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N6OY callsign genealogy
Currently held by PERRY, DAVID D
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 N6OY's current licensee, walking backwards.
- Kowalewski, DamianCAgranted 2009-05-11cancelled 2014-04-05
Successor callsigns
Callsigns held now by people who previously held N6OY.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N6OY, oldest first.
- PERRY, DAVID D CA2001-12-19 → cancelled 2014-03-18
- Kowalewski, Damian MA2025-03-27 active