Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KX4K callsign genealogy
Currently held by HOBBS, DONALD L
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 KX4K's current licensee, walking backwards.
- HOBBS, DONALD LFLgranted 1997-04-28cancelled 2000-11-17
Successor callsigns
Callsigns held now by people who previously held KX4K.
- NR4XexpiredPaulding County Contest ClubGAgranted 2008-12-03cancelled 2020-10-01
All historical holders
Every license row we've seen with the callsign KX4K, oldest first.
- HOBBS, DONALD L FL2020-10-30 active
- SLEIGHT, EDWARD W— → cancelled 1998-09-30