Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K0WAN callsign genealogy
Currently held by COWAN, MATTHEW S
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 K0WAN's current licensee, walking backwards.
- COWAN, MATTHEW SMOgranted 2015-11-24cancelled 2019-07-02
Successor callsigns
Callsigns held now by people who previously held K0WAN.
No current licensee on record previously held this callsign.