Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KK7WI callsign genealogy
Currently held by Jeffs, David W
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 KK7WI's current licensee, walking backwards.
- JEFFS, DAVID WUTgranted 1999-05-26cancelled 2000-04-25
Successor callsigns
Callsigns held now by people who previously held KK7WI.
No current licensee on record previously held this callsign.