Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WM9JM callsign genealogy
Currently held by Messerly, Mark 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 WM9JM's current licensee, walking backwards.
- Messerly, Mark JFLgranted 2008-07-15cancelled 2018-05-16
Successor callsigns
Callsigns held now by people who previously held WM9JM.
- Messerly, Mark JFLgranted 2008-07-15cancelled 2018-05-16