Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7WJF callsign genealogy
Currently held by FALK, WILLIAM C
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 K7WJF's current licensee, walking backwards.
- Frye, Justin TAZgranted 2018-04-19cancelled 2026-05-15
Successor callsigns
Callsigns held now by people who previously held K7WJF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K7WJF, oldest first.
- FALK, WILLIAM C AZ1993-05-18 → cancelled 2005-05-19
- Frye, Justin T AZ2026-05-15 active