Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA9DDD callsign genealogy
Currently held by Refkin, Joseph P
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 KA9DDD's current licensee, walking backwards.
- Refkin, Joseph PINgranted 2025-03-01cancelled 2025-03-25
Successor callsigns
Callsigns held now by people who previously held KA9DDD.
No current licensee on record previously held this callsign.