Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7APE callsign genealogy
Currently held by BUTLER, DOUGLAS R
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 K7APE's current licensee, walking backwards.
- Butler, Douglas RWAgranted 2005-03-29cancelled 2006-04-18
Successor callsigns
Callsigns held now by people who previously held K7APE.
No current licensee on record previously held this callsign.