Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W3PA callsign genealogy
Currently held by Jefferies, David W
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 W3PA's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held W3PA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W3PA, oldest first.
- Jefferies, David W PA2003-10-22 → cancelled 2004-02-18
- MARKERT, OLAF N PA2025-12-16 active