Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA4JJM callsign genealogy
Currently held by Monroe, Jimmy 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 KA4JJM's current licensee, walking backwards.
- Monroe, Jimmy JALgranted 2004-12-10cancelled 2005-01-14
Successor callsigns
Callsigns held now by people who previously held KA4JJM.
No current licensee on record previously held this callsign.