Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W9ZNX callsign genealogy
Currently held by JOHNSON, F LESTER
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 W9ZNX's current licensee, walking backwards.
- Jennetten, Timothy AFLgranted 2017-05-19cancelled 2017-07-14
Successor callsigns
Callsigns held now by people who previously held W9ZNX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W9ZNX, oldest first.
- JOHNSON, F LESTER WI1994-07-28 → cancelled 2006-07-29
- Jennetten, Timothy A FL2017-07-14 active