Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N6IWO callsign genealogy
Currently held by KOPP, ALAN 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 N6IWO's current licensee, walking backwards.
- Kopp, Alan DCAgranted 2019-06-06cancelled 2019-06-25
Successor callsigns
Callsigns held now by people who previously held N6IWO.
- Kopp, Alan DCAgranted 2022-07-19
All historical holders
Every license row we've seen with the callsign N6IWO, oldest first.
- KOPP, ALAN D CA1997-08-20 → cancelled 2009-08-21
- Kopp, Alan D CA2019-06-25 → cancelled 2022-07-19