Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KE4OTR callsign genealogy
Currently held by BYRD, BRENDAN 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 KE4OTR's current licensee, walking backwards.
- Nguyen, JimmyFLgranted 2019-08-26cancelled 2019-09-17
Successor callsigns
Callsigns held now by people who previously held KE4OTR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KE4OTR, oldest first.
- BYRD, BRENDAN L KY1994-07-15 → cancelled 2006-07-18
- Nguyen, Jimmy FL2019-09-17 active