Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AA7KF callsign genealogy
Currently held by VANDERHEIDE, WILLIAM J
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 AA7KF's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held AA7KF.
- VANDERHEIDE, WILLIAM JORgranted 2008-06-07cancelled 2015-12-31