Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W5DKM callsign genealogy
Currently held by Markowich, Darren K
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 W5DKM's current licensee, walking backwards.
- Markowich, Darren KAZgranted 2017-08-30cancelled 2017-09-19
Successor callsigns
Callsigns held now by people who previously held W5DKM.
No current licensee on record previously held this callsign.