Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W1KNK callsign genealogy
Currently held by Cooper, E James
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 W1KNK's current licensee, walking backwards.
- Cooper, E JamesOHgranted 2004-04-15cancelled 2012-10-16
Successor callsigns
Callsigns held now by people who previously held W1KNK.
No current licensee on record previously held this callsign.