Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WD9JP callsign genealogy
Currently held by Patterson II, James F
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 WD9JP's current licensee, walking backwards.
- Patterson II, James FINgranted 2016-03-21cancelled 2016-06-10
Successor callsigns
Callsigns held now by people who previously held WD9JP.
No current licensee on record previously held this callsign.