Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB4HH callsign genealogy
Currently held by HAMMONDS, HARRY C
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 AB4HH's current licensee, walking backwards.
- Hammonds, Harry CSCgranted 1998-08-20cancelled 2007-06-12
Successor callsigns
Callsigns held now by people who previously held AB4HH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AB4HH, oldest first.
- KELLY, DAVID F FL1988-03-29 → cancelled 2000-03-30
- HAMMONDS, HARRY C NC2017-03-16 active