Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K6TRO callsign genealogy
Currently held by Halleen, Eric
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 K6TRO's current licensee, walking backwards.
- Halleen, Eric RWAgranted 2006-06-08cancelled 2013-06-15
Successor callsigns
Callsigns held now by people who previously held K6TRO.
No current licensee on record previously held this callsign.