Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W6ETM callsign genealogy
Currently held by BRENNAN, SEAN M
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 W6ETM's current licensee, walking backwards.
- BRENNAN, SEAN MCAgranted 2006-07-21cancelled 2006-09-02
Successor callsigns
Callsigns held now by people who previously held W6ETM.
No current licensee on record previously held this callsign.