Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KF5NZR callsign genealogy
Currently held by Duvall, Brent A
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 KF5NZR's current licensee, walking backwards.
- Duvall, Brent ATXgranted 2012-04-03cancelled 2020-10-02
Successor callsigns
Callsigns held now by people who previously held KF5NZR.
- Duvall, Brent ATXgranted 2012-04-03cancelled 2020-10-02
All historical holders
Every license row we've seen with the callsign KF5NZR, oldest first.
- Duvall, Brent A TX2012-01-10 → cancelled 2012-04-03
- Duvall, Brent A TX2020-10-02 active