Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WR7TRN callsign genealogy
Currently held by TIMBERLINE RADIO NETWORK
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 WR7TRN's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held WR7TRN.
No current licensee on record previously held this callsign.