Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WK9Z callsign genealogy
Currently held by HENLEY, HARRY T
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 WK9Z's current licensee, walking backwards.
- Handtmann, John AILgranted 2002-02-19cancelled 2006-02-25
Successor callsigns
Callsigns held now by people who previously held WK9Z.
- HENLEY, HARRY TFLgranted 2013-07-13cancelled 2025-09-24
All historical holders
Every license row we've seen with the callsign WK9Z, oldest first.
- HENLEY, HARRY T FL1999-11-16 → cancelled 2003-09-23
- HANDTMANN, JOHN A IL2026-01-27 active