Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD4KOS callsign genealogy
Currently held by HATTON, CECIL B
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 KD4KOS's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KD4KOS.
- HATTON, CECIL BNCgranted 2001-03-06cancelled 2010-11-13