Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF4SLU callsign genealogy
Currently held by GARRETT, PATRICK D
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 KF4SLU's current licensee, walking backwards.
- GARRETT, DORA AALgranted 2017-06-15cancelled 2017-08-18
Successor callsigns
Callsigns held now by people who previously held KF4SLU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KF4SLU, oldest first.
- GARRETT, PATRICK D AL2007-04-26 → cancelled 2015-08-17
- GARRETT, DORA A AL2017-08-18 active