Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7MLM callsign genealogy
Currently held by Mason, Michael L
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 K7MLM's current licensee, walking backwards.
- McNees, Michael LUTgranted 2009-04-02cancelled 2018-07-06
Successor callsigns
Callsigns held now by people who previously held K7MLM.
- Mason, Michael LCAgranted 2006-05-23cancelled 2007-07-24
All historical holders
Every license row we've seen with the callsign K7MLM, oldest first.
- Mason, Michael L WA2006-01-10 → cancelled 2006-05-23
- McNees, Michael L UT2018-07-06 active