Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4JMD callsign genealogy
Currently held by DALTON, JUSTUS 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 W4JMD's current licensee, walking backwards.
- DALTON, JUSTUS MNCgranted 2021-03-25cancelled 2021-10-23
Successor callsigns
Callsigns held now by people who previously held W4JMD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4JMD, oldest first.
- ROANOKE AMATEUR RADIO SOCIETY NC2008-03-01 → cancelled 2019-02-04
- DALTON, JUSTUS M NC2021-10-23 active