Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WA4JLM callsign genealogy
Currently held by Matuska, James 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 WA4JLM's current licensee, walking backwards.
- Matuska, James LGAgranted 2009-12-01cancelled 2015-02-07
Successor callsigns
Callsigns held now by people who previously held WA4JLM.
No current licensee on record previously held this callsign.