Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AH7I callsign genealogy
Currently held by BRENNAN, JEFFREY A
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 AH7I's current licensee, walking backwards.
- DUCKWORTH, ROBERT MGAgranted 1995-09-13cancelled 2002-09-10
Successor callsigns
Callsigns held now by people who previously held AH7I.
- Brennan, Jeffrey AWAgranted 2021-08-10
All historical holders
Every license row we've seen with the callsign AH7I, oldest first.
- BRENNAN, JEFFREY A HI1996-11-12 → cancelled 2000-07-28
- DUCKWORTH, ROBERT M GA2022-09-13 active