Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AF4MK callsign genealogy
Currently held by DENNIS, CLAUDE
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 AF4MK's current licensee, walking backwards.
- DENNIS, CLAUDEcancelled 1998-11-06
Successor callsigns
Callsigns held now by people who previously held AF4MK.
- DENNIS, CLAUDECAgranted 2011-03-08cancelled 2023-05-16