Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W9ZPP callsign genealogy
Currently held by DALE JR, WILLIAM A
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 W9ZPP's current licensee, walking backwards.
- Dale Jr, William AINgranted 2014-06-06cancelled 2016-09-09
Successor callsigns
Callsigns held now by people who previously held W9ZPP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W9ZPP, oldest first.
- DALE, WILLIAM A IN2007-11-30 → cancelled 2015-11-25
- DALE JR, WILLIAM A IN2026-07-25 active