Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1JDM callsign genealogy
Currently held by MELLO, JAMES 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 W1JDM's current licensee, walking backwards.
- MELLO, JAMES JMAgranted 2007-03-27cancelled 2009-01-21
Successor callsigns
Callsigns held now by people who previously held W1JDM.
No current licensee on record previously held this callsign.