Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WA6M callsign genealogy
Currently held by MARTENSEN, JON W
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 WA6M's current licensee, walking backwards.
- MARTENSEN, JON WCAgranted 2021-02-05cancelled 2023-04-25
- N6WEZno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held WA6M.
- RIZZI, JOSEPH DCAgranted 2018-02-02
All historical holders
Every license row we've seen with the callsign WA6M, oldest first.
- Dickson, Robert P CA2011-01-11 → cancelled 2023-04-07
- MARTENSEN, JON W CA2023-04-25 active
- —— → cancelled 1998-04-28