Confidence: Medium · Source: FCC ULS · As of 2026-10-24
KD3DZM callsign genealogy
Currently held by Barlow, Duane
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 KD3DZM's current licensee, walking backwards.
- Barlow, DuaneMDgranted 2026-06-27cancelled 2026-10-15
Successor callsigns
Callsigns held now by people who previously held KD3DZM.
No current licensee on record previously held this callsign.