Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K3TEK callsign genealogy
Currently held by Duffy, Edward J
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 K3TEK's current licensee, walking backwards.
- Duffy, Edward JMNgranted 2005-03-16cancelled 2005-04-26
Successor callsigns
Callsigns held now by people who previously held K3TEK.
No current licensee on record previously held this callsign.