Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KK7WF callsign genealogy
Currently held by Black, Karen L
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 KK7WF's current licensee, walking backwards.
- Black, Karen LORgranted 2012-12-07cancelled 2012-12-27
Successor callsigns
Callsigns held now by people who previously held KK7WF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KK7WF, oldest first.
- Black, Karen L OR2000-04-05 → cancelled 2012-04-06
- Black, Karen L OR2012-12-27 → cancelled 2024-12-28