Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5WJM callsign genealogy
Currently held by Morrell III, William J
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 K5WJM's current licensee, walking backwards.
- Morrell III, William JTNgranted 2021-05-13cancelled 2022-01-28
Successor callsigns
Callsigns held now by people who previously held K5WJM.
- Mentzer, Walter JTXgranted 2020-02-08
All historical holders
Every license row we've seen with the callsign K5WJM, oldest first.
- Mentzer, Walter J TX2003-03-04 → cancelled 2009-04-25
- Morrell III, William J TN2022-01-28 active