Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WA9FDP callsign genealogy
Currently held by HEYEN, JAMES H
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 WA9FDP's current licensee, walking backwards.
- KC9PIUcancelledMontemac Amateur Repeater Club IncILgranted 2009-03-23cancelled 2010-05-25
Successor callsigns
Callsigns held now by people who previously held WA9FDP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WA9FDP, oldest first.
- HEYEN, JAMES H IL2007-08-28 → cancelled 2008-01-10
- Montemac Amateur Repeater Club Inc IL2020-04-29 active