Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4AMD callsign genealogy
Currently held by DILLON, ARNOLD M
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 K4AMD's current licensee, walking backwards.
- DILLON, ARNOLD MNCgranted 2009-02-11cancelled 2010-01-12
Successor callsigns
Callsigns held now by people who previously held K4AMD.
No current licensee on record previously held this callsign.