Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K1UCH callsign genealogy
Currently held by Nawrocki, Roy M
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 K1UCH's current licensee, walking backwards.
- Nawrocki, Roy MMAgranted 2013-07-25cancelled 2013-09-21
Successor callsigns
Callsigns held now by people who previously held K1UCH.
No current licensee on record previously held this callsign.