Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N1JWN callsign genealogy
Currently held by MICHALAK, RONALD A
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 N1JWN's current licensee, walking backwards.
- Nunamaker, Joseph WUTgranted 2014-03-26cancelled 2018-01-17
Successor callsigns
Callsigns held now by people who previously held N1JWN.
- NUNAMAKER, JOSEPH WUTgranted 2019-07-19
All historical holders
Every license row we've seen with the callsign N1JWN, oldest first.
- MICHALAK, RONALD A MA1991-08-06 → cancelled 2003-08-07
- NUNAMAKER, JOSEPH W UT2018-01-17 → cancelled 2019-07-19