Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KJ4VUN callsign genealogy
Currently held by HORNBACHER, HEATHER
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 KJ4VUN's current licensee, walking backwards.
- HORNBACHER-DAVEY, HEATHERNCgranted 2010-05-17cancelled 2010-06-14
Successor callsigns
Callsigns held now by people who previously held KJ4VUN.
No current licensee on record previously held this callsign.