Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB9PQ callsign genealogy
Currently held by Ritt Jr, Frank 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 AB9PQ's current licensee, walking backwards.
- Ritt Jr, Frank JILgranted 2005-05-24cancelled 2007-10-05
Successor callsigns
Callsigns held now by people who previously held AB9PQ.
- Ritt Jr, Frank JFLgranted 2017-09-25