Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AB0OI callsign genealogy
Currently held by HOOPER, GALEN R
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 AB0OI's current licensee, walking backwards.
- HOOPER, GALEN RCOgranted 1994-09-14cancelled 2000-07-27
Successor callsigns
Callsigns held now by people who previously held AB0OI.
No current licensee on record previously held this callsign.