Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WT6H callsign genealogy
Currently held by Ferreira, Mike 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 WT6H's current licensee, walking backwards.
- Ferreira, Mike RCAgranted 2010-01-20cancelled 2010-05-28
Successor callsigns
Callsigns held now by people who previously held WT6H.
- N6XWactiveTIJERA AMATEUR RADIO GROUPCAgranted 2017-11-28
All historical holders
Every license row we've seen with the callsign WT6H, oldest first.
- KIMBALL, CHARLES H G CA1992-02-11 → cancelled 2004-02-12
- TIJERA AMATEUR RADIO CA2004-03-06 → cancelled 2008-01-15
- Ferreira, Mike R CA2020-04-07 active