Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB5KM callsign genealogy
Currently held by Anderson, Kent B
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 AB5KM's current licensee, walking backwards.
- Anderson, Kent BTXgranted 2013-07-16cancelled 2016-01-29
Successor callsigns
Callsigns held now by people who previously held AB5KM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AB5KM, oldest first.
- Calderwood, David L TX2002-11-25 → cancelled 2015-02-03
- Anderson, Kent B TX2025-11-25 active