Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4ZLD callsign genealogy
Currently held by Buckowski, Jan
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 N4ZLD's current licensee, walking backwards.
- Buckowski, JanNCgranted 2011-04-26cancelled 2016-01-05
Successor callsigns
Callsigns held now by people who previously held N4ZLD.
- Buckowski, JanNCgranted 2016-01-05cancelled 2019-02-26
All historical holders
Every license row we've seen with the callsign N4ZLD, oldest first.
- PHELAN, BETH M TN2002-11-14 → cancelled 2015-02-10
- Buckowski, Jan NC2016-01-05 → cancelled 2018-12-28