Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AA1WP callsign genealogy
Currently held by Papp, William 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 AA1WP's current licensee, walking backwards.
- Papp, William JCTgranted 2013-12-04cancelled 2020-01-07
Successor callsigns
Callsigns held now by people who previously held AA1WP.
- Williams, James FCTgranted 2021-06-24
All historical holders
Every license row we've seen with the callsign AA1WP, oldest first.
- Williams, James F CT2000-01-29 → cancelled 2001-09-18
- Papp, William J CT2020-01-07 active