Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4POY callsign genealogy
Currently held by Klein, Jerold L
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 N4POY's current licensee, walking backwards.
- Klein, Jerold LTNgranted 2007-02-09cancelled 2007-09-08
Successor callsigns
Callsigns held now by people who previously held N4POY.
No current licensee on record previously held this callsign.