Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K6YZI callsign genealogy
Currently held by Hammond, 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 K6YZI's current licensee, walking backwards.
- Hammond, Matthew SOHgranted 2020-08-05cancelled 2020-08-25
Successor callsigns
Callsigns held now by people who previously held K6YZI.
No current licensee on record previously held this callsign.