Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB3WQ callsign genealogy
Currently held by Cahill, Michael 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 AB3WQ's current licensee, walking backwards.
- Cahill, Michael JPAgranted 2009-11-24cancelled 2015-02-05
Successor callsigns
Callsigns held now by people who previously held AB3WQ.
- Cahill, Michael JNYgranted 2026-04-07