Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB1HD callsign genealogy
Currently held by Crisafulli, Richard
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 AB1HD's current licensee, walking backwards.
- Crisafulli, RichardMAgranted 2005-03-16cancelled 2007-05-05
Successor callsigns
Callsigns held now by people who previously held AB1HD.
No current licensee on record previously held this callsign.