Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4DDF callsign genealogy
Currently held by Fleming, Martin 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 N4DDF's current licensee, walking backwards.
- Fleming, Martin DALgranted 2004-05-20cancelled 2009-10-06
Successor callsigns
Callsigns held now by people who previously held N4DDF.
- Fleming, Martin DALgranted 2020-07-21