Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4ALM callsign genealogy
Currently held by Owens, Michael W
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 W4ALM's current licensee, walking backwards.
- Owens, Michael WFLgranted 2014-06-10cancelled 2017-09-26
Successor callsigns
Callsigns held now by people who previously held W4ALM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4ALM, oldest first.
- MOORE, ALLEN L SC1999-02-24 → cancelled 2011-02-25
- Owens, Michael W FL2017-09-26 active