Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KK9WTF callsign genealogy
Currently held by Matthews, craig E
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 KK9WTF's current licensee, walking backwards.
- Matthews, craig ECAgranted 2017-04-11cancelled 2017-05-02
Successor callsigns
Callsigns held now by people who previously held KK9WTF.
No current licensee on record previously held this callsign.