Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W9TRR callsign genealogy
Currently held by ALLEN, JOHN R
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 W9TRR's current licensee, walking backwards.
- ALLEN, JOHN RILgranted 1995-01-30cancelled 2005-02-11
Successor callsigns
Callsigns held now by people who previously held W9TRR.
No current licensee on record previously held this callsign.