Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K1UFO callsign genealogy
Currently held by BRANDT, WILLIAM L
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 K1UFO's current licensee, walking backwards.
- Robinson, William AMAgranted 2011-12-19cancelled 2013-01-11
Successor callsigns
Callsigns held now by people who previously held K1UFO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K1UFO, oldest first.
- BRANDT, WILLIAM L FL1999-04-08 → cancelled 2011-04-09
- ROBINSON, WILLIAM A NH2022-11-16 active