Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF4T callsign genealogy
Currently held by Rice, Brian R
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 KF4T's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KF4T.
- BERGER, BERNARD MAZgranted 2012-03-08cancelled 2024-06-04
All historical holders
Every license row we've seen with the callsign KF4T, oldest first.
- ROBINSON, TED A FL2006-09-29 → cancelled 2011-11-28
- Rice, Brian R FL2024-07-10 active