Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4ZAM callsign genealogy
Currently held by Adams, Dennis A
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 N4ZAM's current licensee, walking backwards.
- ADAMS, DENNIS AKYgranted 2015-02-10cancelled 2024-08-31
Successor callsigns
Callsigns held now by people who previously held N4ZAM.
- WATKINSON, WARREN BTNgranted 1997-08-21cancelled 2001-08-03
All historical holders
Every license row we've seen with the callsign N4ZAM, oldest first.
- Adams, Dennis A KY2024-08-31 active
- —— → cancelled 1997-08-21