Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WW3MJM callsign genealogy
Currently held by Martin, Michael 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 WW3MJM's current licensee, walking backwards.
- Martin, Michael JNMgranted 2018-04-26cancelled 2018-05-19
Successor callsigns
Callsigns held now by people who previously held WW3MJM.
No current licensee on record previously held this callsign.