Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1FBT callsign genealogy
Currently held by Griffiths Sr, David 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 W1FBT's current licensee, walking backwards.
- Griffiths Sr, David TNHgranted 2021-12-14cancelled 2022-01-05
Successor callsigns
Callsigns held now by people who previously held W1FBT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W1FBT, oldest first.
- WALSH, KENNETH J MA2005-11-02 → cancelled 2018-02-01
- Griffiths Sr, David T NH2022-01-05 active