Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9DPP callsign genealogy
Currently held by Petzold, Dan P
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 W9DPP's current licensee, walking backwards.
- Petzold, Dan PILgranted 2000-11-14cancelled 2001-05-22
Successor callsigns
Callsigns held now by people who previously held W9DPP.
No current licensee on record previously held this callsign.