Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W8UDM callsign genealogy
Currently held by Smith, Jeffrey 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 W8UDM's current licensee, walking backwards.
- N8KXScancelledcancelled 1998-04-22
Successor callsigns
Callsigns held now by people who previously held W8UDM.
- Smith, Jeffrey POHgranted 2015-03-18cancelled 2019-02-01