Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4JPY callsign genealogy
Currently held by CARTWRIGHT, MATTHEW B
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 W4JPY's current licensee, walking backwards.
- Yancey, Patrick SALgranted 2022-04-11cancelled 2022-04-30
Successor callsigns
Callsigns held now by people who previously held W4JPY.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4JPY, oldest first.
- CARTWRIGHT, MATTHEW B VA1997-06-23 → cancelled 2008-04-11
- Yancey, Patrick S AL2022-04-30 active