Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB1GU callsign genealogy
Currently held by HALSTED, RODERICK H
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 AB1GU's current licensee, walking backwards.
- HALSTED, RODERICK HVTgranted 2004-02-09cancelled 2007-03-07
Successor callsigns
Callsigns held now by people who previously held AB1GU.
No current licensee on record previously held this callsign.