Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9SDL callsign genealogy
Currently held by BERES, MICHAEL A
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 K9SDL's current licensee, walking backwards.
- BERES, MICHAEL AMIgranted 2004-05-05cancelled 2009-09-22
Successor callsigns
Callsigns held now by people who previously held K9SDL.
No current licensee on record previously held this callsign.