Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB1AT callsign genealogy
Currently held by Livingston, Howard 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 AB1AT's current licensee, walking backwards.
- Livingston, Howard ANHgranted 1999-04-01cancelled 2002-05-14
Successor callsigns
Callsigns held now by people who previously held AB1AT.
No current licensee on record previously held this callsign.