Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6MXZ callsign genealogy
Currently held by Mason, Dean F
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 K6MXZ's current licensee, walking backwards.
- Rehder, Douglas SCAgranted 2011-11-03cancelled 2015-11-20
Successor callsigns
Callsigns held now by people who previously held K6MXZ.
All historical holders
Every license row we've seen with the callsign K6MXZ, oldest first.
- Mason, Dean F CA2007-10-10 → cancelled 2008-10-07
- Rehder, Douglas S CA2015-11-20 → cancelled 2019-10-29