Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4CKR callsign genealogy
Currently held by King JR, Carl C
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 N4CKR's current licensee, walking backwards.
- King Jr, Carl CFLgranted 2024-08-06cancelled 2024-08-27
Successor callsigns
Callsigns held now by people who previously held N4CKR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4CKR, oldest first.
- HATHCOCK, CARROL SC1996-11-06 → cancelled 2008-11-07
- King JR, Carl C FL2024-08-27 active