Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4LMN callsign genealogy
Currently held by Madison, Jim
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 K4LMN's current licensee, walking backwards.
- Madison, JimFLgranted 2004-08-09cancelled 2004-08-31
Successor callsigns
Callsigns held now by people who previously held K4LMN.
No current licensee on record previously held this callsign.