Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NR0Z callsign genealogy
Currently held by WEEKS, JOSEPH K
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 NR0Z's current licensee, walking backwards.
- WEEKS, JOSEPH KUTgranted 2015-04-01cancelled 2015-05-27
Successor callsigns
Callsigns held now by people who previously held NR0Z.
- ZOLNOWSKI JR, RICHARD PMOgranted 2023-05-03
All historical holders
Every license row we've seen with the callsign NR0Z, oldest first.
- PARRILL, DONNA M NE1996-03-05 → cancelled 2008-03-06
- ZOLNOWSKI JR, RICHARD P MO2008-08-22 → cancelled 2013-05-03
- WEEKS, JOSEPH K UT2025-04-01 active