Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N1NL callsign genealogy
Currently held by Popp III, Arthur R
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 N1NL's current licensee, walking backwards.
- Popp III, Arthur RWAgranted 2022-06-28cancelled 2024-12-10
Successor callsigns
Callsigns held now by people who previously held N1NL.
- Popp III, Arthur RWAgranted 2025-06-14
All historical holders
Every license row we've seen with the callsign N1NL, oldest first.
- Garrett, Jeffrey J CA2000-10-24 → cancelled 2012-10-25
- PENNER, DAVID A NC2012-11-20 → cancelled 2024-12-04
- Popp III, Arthur R WA2024-12-10 → cancelled 2025-06-14