Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9SFD callsign genealogy
Currently held by Sutton, Chad 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 K9SFD's current licensee, walking backwards.
- Sutton, Chad MILgranted 2003-01-30cancelled 2004-12-24
Successor callsigns
Callsigns held now by people who previously held K9SFD.
No current licensee on record previously held this callsign.