Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W5JMM callsign genealogy
Currently held by MAYBERRY, KARL 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 W5JMM's current licensee, walking backwards.
- McGRAW, JANA MOKgranted 2007-06-28cancelled 2007-07-24
Successor callsigns
Callsigns held now by people who previously held W5JMM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W5JMM, oldest first.
- MAYBERRY, KARL L TX1994-08-23 → cancelled 2006-08-24
- Belis, JANA M OK2018-06-12 active