Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WA7FTB callsign genealogy
Currently held by MARTIN, DENNIS N
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 WA7FTB's current licensee, walking backwards.
- BOYD, FREDERICK TAZgranted 2021-11-22cancelled 2021-12-10
Successor callsigns
Callsigns held now by people who previously held WA7FTB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WA7FTB, oldest first.
- MARTIN, DENNIS N WA1997-09-11 → cancelled 2009-09-12
- BOYD, FREDERICK T AZ2021-12-10 active