Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB3GXO callsign genealogy
Currently held by Harris, Matthew J
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 KB3GXO's current licensee, walking backwards.
- Harris, Matthew JPAgranted 2000-08-15cancelled 2001-07-30
Successor callsigns
Callsigns held now by people who previously held KB3GXO.
No current licensee on record previously held this callsign.