Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AK4FF callsign genealogy
Currently held by KEITH, THOMAS M
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 AK4FF's current licensee, walking backwards.
- KEITH, THOMAS MGAgranted 2008-08-04cancelled 2011-01-28
Successor callsigns
Callsigns held now by people who previously held AK4FF.
No current licensee on record previously held this callsign.