Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1FZ callsign genealogy
Currently held by GREAT BAY RADIO ASSN
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 W1FZ's current licensee, walking backwards.
- WB1CAGcancelledSALIGA, MARY Acancelled 1998-05-06
Successor callsigns
Callsigns held now by people who previously held W1FZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W1FZ, oldest first.
- THAYER, JAMES E NH1997-07-29 → cancelled 1997-10-07
- GREAT BAY RADIO ASSN NH2018-03-01 active