Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W0ZKE callsign genealogy
Currently held by Zielsdorf, James 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 W0ZKE's current licensee, walking backwards.
- ZIELSDORF, JAMES PNDgranted 2005-03-22cancelled 2007-04-03
Successor callsigns
Callsigns held now by people who previously held W0ZKE.
No current licensee on record previously held this callsign.