Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4BK callsign genealogy
Currently held by BLACK, KENNETH E
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 K4BK's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held K4BK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4BK, oldest first.
- NELSON SR, THOMAS L FL1997-01-15 → cancelled 2003-01-31
- ROWE JR, JAMES M FL2005-09-07 → cancelled 2008-06-09
- JAQUEZ, LUIS A FL2010-06-29 → cancelled 2011-12-21
- BLACK, KENNETH E NC2023-11-14 active