Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4FFA callsign genealogy
Currently held by Burrow, Thomas 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 K4FFA's current licensee, walking backwards.
- Burrow, Thomas CFLgranted 2024-03-16cancelled 2024-04-09
Successor callsigns
Callsigns held now by people who previously held K4FFA.
- JOHNSON, PHILLIP GTNgranted 2000-07-07cancelled 2012-07-10
All historical holders
Every license row we've seen with the callsign K4FFA, oldest first.
- JOHNSON, PHILLIP G TN1998-12-15 → cancelled 2000-07-07
- Burrow, Thomas C FL2024-04-09 active