Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4CLB callsign genealogy
Currently held by BOYD, CARL 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 K4CLB's current licensee, walking backwards.
- BOYD, CARL LTNgranted 1998-11-15cancelled 2005-04-05
Successor callsigns
Callsigns held now by people who previously held K4CLB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4CLB, oldest first.
- HILL, CARL R NC1988-04-12 → cancelled 2000-04-13
- BOYD, CARL L TN2015-03-07 active