Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4XDB callsign genealogy
Currently held by Bedford, David L
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 K4XDB's current licensee, walking backwards.
- Bedford, David LFLgranted 2009-03-16cancelled 2009-04-07
Successor callsigns
Callsigns held now by people who previously held K4XDB.
- Bedford, David LFLgranted 2013-06-18cancelled 2025-06-19