Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W9TTW callsign genealogy
Currently held by Adams, Richard T
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 W9TTW's current licensee, walking backwards.
- Adams, Richard TINgranted 2007-02-09cancelled 2008-02-15
Successor callsigns
Callsigns held now by people who previously held W9TTW.
No current licensee on record previously held this callsign.