Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K9TVR callsign genealogy
Currently held by HEIM, TREVOR 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 K9TVR's current licensee, walking backwards.
- HEIM, TREVOR JIDgranted 2004-03-11cancelled 2004-11-30
Successor callsigns
Callsigns held now by people who previously held K9TVR.
No current licensee on record previously held this callsign.