Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N9DMK callsign genealogy
Currently held by Krawczak, Dennis M
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 N9DMK's current licensee, walking backwards.
- Krawczak, Dennis MILgranted 2003-07-17cancelled 2007-07-06
Successor callsigns
Callsigns held now by people who previously held N9DMK.
- Adams, Robert MWVgranted 2004-11-26cancelled 2005-05-03
All historical holders
Every license row we've seen with the callsign N9DMK, oldest first.
- ADAMS, ROBERT M WV2000-09-14 → cancelled 2004-11-26
- Krawczak, Dennis M IL2017-04-14 active