Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W3ZAP callsign genealogy
Currently held by Zapencki, David 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 W3ZAP's current licensee, walking backwards.
- Zapencki, David PWIgranted 2014-04-14cancelled 2014-05-03
Successor callsigns
Callsigns held now by people who previously held W3ZAP.
No current licensee on record previously held this callsign.