Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7CKF callsign genealogy
Currently held by WADDINGTON, HAYDN E
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 W7CKF's current licensee, walking backwards.
- WADDINGTON, HAYDN EORgranted 1994-12-21cancelled 2003-08-15
Successor callsigns
Callsigns held now by people who previously held W7CKF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7CKF, oldest first.
- WADDINGTON, HAYDN W OR1994-01-04 → cancelled 2003-04-18
- WADDINGTON, HAYDN E OR2013-06-01 → cancelled 2025-08-16