Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N3CJD callsign genealogy
Currently held by Cooley, George
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 N3CJD's current licensee, walking backwards.
- Delmore, Cullen JPAgranted 2013-12-11cancelled 2015-08-25
Successor callsigns
Callsigns held now by people who previously held N3CJD.
- Cooley, GeorgeIAgranted 2019-07-09
All historical holders
Every license row we've seen with the callsign N3CJD, oldest first.
- Cooley, George OR2007-03-06 → cancelled 2009-07-31
- Delmore, Cullen J PA2025-07-16 active