Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N0UKE callsign genealogy
Currently held by COTTON, LAWRENCE 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 N0UKE's current licensee, walking backwards.
- Harju, Donald LMNgranted 2022-04-05cancelled 2022-04-26
Successor callsigns
Callsigns held now by people who previously held N0UKE.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N0UKE, oldest first.
- COTTON, LAWRENCE L IA2003-03-14 → cancelled 2015-04-21
- Harju, Donald L MN2022-04-26 active