Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K1XU callsign genealogy
Currently held by RUSSELL, JEFFERY 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 K1XU's current licensee, walking backwards.
- RUSSELL, JEFFERY DCTgranted 2009-11-06cancelled 2010-02-23
Successor callsigns
Callsigns held now by people who previously held K1XU.
- RUSSELL, JEFFERY DCTgranted 2009-11-06cancelled 2010-02-23
All historical holders
Every license row we've seen with the callsign K1XU, oldest first.
- RUSSELL, JEFFERY D CT1999-10-05 → cancelled 2009-11-06
- RUSSELL, JEFFERY D CT2020-02-21 active