Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WQ9P callsign genealogy
Currently held by Madden, Greg
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 WQ9P's current licensee, walking backwards.
- Madden, GregCAgranted 2009-10-14cancelled 2010-11-13
Successor callsigns
Callsigns held now by people who previously held WQ9P.
No current licensee on record previously held this callsign.