Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KJ4FQQ callsign genealogy
Currently held by Keeler, John W
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 KJ4FQQ's current licensee, walking backwards.
- Keeler, John WVAgranted 2003-03-06cancelled 2008-08-04
Successor callsigns
Callsigns held now by people who previously held KJ4FQQ.
- Keeler, John WVAgranted 2019-05-08