Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4ATZ callsign genealogy
Currently held by Mckearin, David P
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 N4ATZ's current licensee, walking backwards.
- Mckearin, David PKYgranted 2017-02-08cancelled 2018-03-02
Successor callsigns
Callsigns held now by people who previously held N4ATZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4ATZ, oldest first.
- LOWE, LEE A FL1995-01-06 → cancelled 2000-09-14
- Mckearin, David P KY2018-03-02 active