Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W1NZJ callsign genealogy
Currently held by LEYDEN, FREDERICK V
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 W1NZJ's current licensee, walking backwards.
- DAKIN, MICHAEL PMAgranted 1999-09-01cancelled 2005-08-16
Successor callsigns
Callsigns held now by people who previously held W1NZJ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W1NZJ, oldest first.
- LEYDEN, FREDERICK V MA1996-09-18 → cancelled 2001-03-22
- DAKIN, MICHAEL P MA2026-06-23 active