Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD5ZQ callsign genealogy
Currently held by Ferguson, Don 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 AD5ZQ's current licensee, walking backwards.
- Ferguson, Don JTXgranted 2004-06-23cancelled 2007-03-06
Successor callsigns
Callsigns held now by people who previously held AD5ZQ.
- Ferguson, Don JTXgranted 2017-01-18