Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7DMK callsign genealogy
Currently held by KACZOROWSKI, DAVID 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 K7DMK's current licensee, walking backwards.
- KACZOROWSKI, DAVID Mcancelled 1998-03-18
Successor callsigns
Callsigns held now by people who previously held K7DMK.
No current licensee on record previously held this callsign.