Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K7HKW callsign genealogy
Currently held by Martin, Mark
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 K7HKW's current licensee, walking backwards.
- MARTIN, MARKORgranted 2020-07-17cancelled 2020-08-04
Successor callsigns
Callsigns held now by people who previously held K7HKW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K7HKW, oldest first.
- GALLUS, GEORGE R MT1997-05-30 → cancelled 2006-06-01
- Martin, Mark MT2020-08-04 active