Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KM4ND callsign genealogy
Currently held by BYRNE, FRANCIS 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 KM4ND's current licensee, walking backwards.
- Zimmerman, Alan DMDgranted 2016-12-05cancelled 2017-05-06
Successor callsigns
Callsigns held now by people who previously held KM4ND.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KM4ND, oldest first.
- BYRNE, FRANCIS J FL1998-10-29 → cancelled 2010-10-30
- Zimmerman, Alan D FL2017-05-06 active