Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N9KF callsign genealogy
Currently held by HORNBACK, DONALD 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 N9KF's current licensee, walking backwards.
- HORNBACK, DONALD LINgranted 2007-07-03cancelled 2013-05-29
Successor callsigns
Callsigns held now by people who previously held N9KF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N9KF, oldest first.
- LAWRENCE, BRUCE W WI2001-05-08 → cancelled 2013-05-09
- HORNBACK, DONALD L IN2023-05-26 active