Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB2KO callsign genealogy
Currently held by Blum, Guy 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 AB2KO's current licensee, walking backwards.
- Blum, Guy ANYgranted 1999-12-29cancelled 2000-09-27
Successor callsigns
Callsigns held now by people who previously held AB2KO.
No current licensee on record previously held this callsign.