Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N7TBB callsign genealogy
Currently held by Birch, Trent A
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 N7TBB's current licensee, walking backwards.
- Birch, Trent AAZgranted 2026-05-22cancelled 2026-07-14
Successor callsigns
Callsigns held now by people who previously held N7TBB.
- SPEAKS, SHAWN DOKgranted 2014-02-12cancelled 2026-03-06