Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AJ4DP callsign genealogy
Currently held by COOPER, DALE W
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 AJ4DP's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held AJ4DP.
- COOPER Mr., DALE WTNgranted 2008-01-01cancelled 2020-01-03