Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4KDM callsign genealogy
Currently held by IMPSON JR, RICHARD T
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 W4KDM's current licensee, walking backwards.
- IMPSON JR, RICHARD TFLgranted 1993-02-16cancelled 1999-11-04
Successor callsigns
Callsigns held now by people who previously held W4KDM.
No current licensee on record previously held this callsign.