Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7CJA callsign genealogy
Currently held by AMYES, CHRISTOPHER 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 K7CJA's current licensee, walking backwards.
- AMYES, CHRISTOPHER JMTgranted 2007-12-11cancelled 2008-01-01
Successor callsigns
Callsigns held now by people who previously held K7CJA.
- APPEL, CLIFFORD JWAgranted 2002-12-18cancelled 2004-05-18
All historical holders
Every license row we've seen with the callsign K7CJA, oldest first.
- APPEL, CLIFFORD J WA1996-11-04 → cancelled 2002-12-18
- AMYES, CHRISTOPHER J MT2017-11-06 active