Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB1RD callsign genealogy
Currently held by Barnes, Roberta L
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 AB1RD's current licensee, walking backwards.
- Kanwanich, EkabutrALgranted 2017-01-20cancelled 2018-05-08
Successor callsigns
Callsigns held now by people who previously held AB1RD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AB1RD, oldest first.
- Barnes, Roberta L CO2004-02-03 → cancelled 2016-02-04
- Kanwanich, Ekabutr AL2018-05-08 active