Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N0PNA callsign genealogy
Currently held by HARRINGTON, WILLIAM H
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 N0PNA's current licensee, walking backwards.
- HARRINGTON JR, WILLIAM WARgranted 2024-05-23cancelled 2024-12-20
Successor callsigns
Callsigns held now by people who previously held N0PNA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N0PNA, oldest first.
- HARRINGTON, WILLIAM H MO1993-09-21 → cancelled 2005-09-22
- HARRINGTON JR, WILLIAM W AR2024-12-20 active