Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4JJQ callsign genealogy
Currently held by Quinn, John 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 K4JJQ's current licensee, walking backwards.
- Quinn, John JVAgranted 2007-07-11cancelled 2008-04-08
Successor callsigns
Callsigns held now by people who previously held K4JJQ.
No current licensee on record previously held this callsign.