Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB9FD callsign genealogy
Currently held by Cleghorn, Duane W
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 AB9FD's current licensee, walking backwards.
- Cleghorn, Duane WINgranted 2001-10-22cancelled 2002-04-15
Successor callsigns
Callsigns held now by people who previously held AB9FD.
No current licensee on record previously held this callsign.