Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KJ4JMM callsign genealogy
Currently held by Morris, James M
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 KJ4JMM's current licensee, walking backwards.
- Morris, James MALgranted 2007-11-14cancelled 2008-05-10
Successor callsigns
Callsigns held now by people who previously held KJ4JMM.
- Morris, James MALgranted 2019-09-04