Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4JPD callsign genealogy
Currently held by Detgen, John Peter
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 W4JPD's current licensee, walking backwards.
- Detgen, John PeterNCgranted 2022-04-22cancelled 2023-05-09
Successor callsigns
Callsigns held now by people who previously held W4JPD.
- Detgen, John PeterNCgranted 2022-04-22cancelled 2023-05-09
All historical holders
Every license row we've seen with the callsign W4JPD, oldest first.
- DOMBAI, JOZSEF P GA2009-04-28 → cancelled 2016-09-06
- Detgen, John Peter NC2018-09-25 → cancelled 2022-04-22
- Detgen, John Peter NC2023-05-09 active