Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KK6J callsign genealogy
Currently held by Martin, Donald R
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 KK6J's current licensee, walking backwards.
- Kelley, Michael RCAgranted 2016-08-03cancelled 2016-08-30
Successor callsigns
Callsigns held now by people who previously held KK6J.
- Stonesifer III, Robert JCOgranted 2002-06-18cancelled 2007-05-22
All historical holders
Every license row we've seen with the callsign KK6J, oldest first.
- LICKFELT, CHARLES D CA1988-02-23 → cancelled 2000-02-24
- Stonesifer III, Robert J CA2000-06-13 → cancelled 2002-06-18
- Martin, Donald R CA2004-08-10 → cancelled 2016-08-11
- Kelley, Michael R MI2026-07-10 active