Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KJ4RDM callsign genealogy
Currently held by Morris Sr, Roger D
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 KJ4RDM's current licensee, walking backwards.
- Morris, Roger DVAgranted 2008-03-14cancelled 2008-04-05
Successor callsigns
Callsigns held now by people who previously held KJ4RDM.
- MORRIS SR, ROGER DVAgranted 2018-10-25