Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4PEN callsign genealogy
Currently held by KIPLING, HOWARD D
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 N4PEN's current licensee, walking backwards.
- SIRGINSON, WILLIAM DNCgranted 2019-02-01cancelled 2019-04-30
Successor callsigns
Callsigns held now by people who previously held N4PEN.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4PEN, oldest first.
- KIPLING, HOWARD D KY2006-09-19 → cancelled 2018-09-20
- SIRGINSON, WILLIAM D NC2019-04-30 active