Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AB3KO callsign genealogy
Currently held by Birtel, Vincent 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 AB3KO's current licensee, walking backwards.
- Birtel, Vincent APAgranted 2001-10-24cancelled 2010-02-17
Successor callsigns
Callsigns held now by people who previously held AB3KO.
No current licensee on record previously held this callsign.