Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD3Q callsign genealogy
Currently held by MC CLOSKEY, ROBERT 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 AD3Q's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held AD3Q.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AD3Q, oldest first.
- BLAKE, WILLIAM H PA1998-02-25 → cancelled 2010-02-26
- MC CLOSKEY, ROBERT J PA2020-04-03 active