Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7WZ callsign genealogy
Currently held by TIGARD PUBLIC SERVICE
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 K7WZ's current licensee, walking backwards.
- Hendersin, Larry EORgranted 2013-12-24cancelled 2023-08-15
Successor callsigns
Callsigns held now by people who previously held K7WZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K7WZ, oldest first.
- TIGARD PUBLIC SERVICE OR1997-07-31 → cancelled 1999-07-06
- JOHNSTON, WILLIAM B WA2011-07-08 → cancelled 2023-07-28
- Hendersin, Larry E OR2023-08-15 active