Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W5KFK callsign genealogy
Currently held by PATTERSON, DENNIS S
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 W5KFK's current licensee, walking backwards.
- PATTERSON, DENNIS SOKgranted 1997-06-23cancelled 2000-04-01
Successor callsigns
Callsigns held now by people who previously held W5KFK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W5KFK, oldest first.
- PATTERSON, ALVA L OK1988-02-16 → cancelled 1997-05-16
- PATTERSON, DENNIS S OK2020-03-10 active