Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N1WIZ callsign genealogy
Currently held by Wilczynski, Robert J
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 N1WIZ's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held N1WIZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N1WIZ, oldest first.
- TOWNE SR, ROBERT P NH2005-09-23 → cancelled 2015-02-23
- Wilczynski, Robert J TX2017-03-14 active