Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KJ4TAK callsign genealogy
Currently held by King, Thomas A
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 KJ4TAK's current licensee, walking backwards.
- King, Thomas AFLgranted 2007-10-30cancelled 2007-11-20
Successor callsigns
Callsigns held now by people who previously held KJ4TAK.
No current licensee on record previously held this callsign.