Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1DHM callsign genealogy
Currently held by MACKAY, DALE H
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 W1DHM's current licensee, walking backwards.
- MAC KAY, DALE HNHgranted 1997-03-21cancelled 2002-10-26
Successor callsigns
Callsigns held now by people who previously held W1DHM.
No current licensee on record previously held this callsign.