Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4PJK callsign genealogy
Currently held by TRENCHI, ARTHUR J
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 N4PJK's current licensee, walking backwards.
- Kuipers, Paul JFLgranted 2008-12-11cancelled 2016-07-29
Successor callsigns
Callsigns held now by people who previously held N4PJK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4PJK, oldest first.
- TRENCHI, ARTHUR J TN1999-06-11 → cancelled 2011-06-14
- Kuipers, Paul J FL2026-05-30 active