Confidence: Medium · Source: FCC ULS · As of 2026-10-30
N6WIZ callsign genealogy
Currently held by Thompson, Richard L
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 N6WIZ's current licensee, walking backwards.
- Keiser, Ryan PCAgranted 2024-05-15cancelled 2026-09-15
Successor callsigns
Callsigns held now by people who previously held N6WIZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N6WIZ, oldest first.
- Thompson, Richard L AZ2014-02-24 → cancelled 2026-05-19
- Keiser, Ryan P CA2026-09-15 active