Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AA5HH callsign genealogy
Currently held by BARNHART, WILLIAM 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 AA5HH's current licensee, walking backwards.
- Hooks, Michael DTXgranted 2020-06-30cancelled 2020-11-17
Successor callsigns
Callsigns held now by people who previously held AA5HH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AA5HH, oldest first.
- BARNHART, WILLIAM T TX1988-07-26 → cancelled 2000-07-27
- Hooks, Michael D TX2020-11-17 active