Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WJ6Z callsign genealogy
Currently held by PENN, Carlos S
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 WJ6Z's current licensee, walking backwards.
- Kiel, Walter LCAgranted 2018-09-07cancelled 2021-03-19
Successor callsigns
Callsigns held now by people who previously held WJ6Z.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WJ6Z, oldest first.
- PENN, Carlos S OR2008-12-05 → cancelled 2021-02-27
- Kiel, Walter L CA2021-03-19 active