Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA0BDK callsign genealogy
Currently held by Armijo, Zach 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 KA0BDK's current licensee, walking backwards.
- Armijo, ZachCOgranted 2026-08-13cancelled 2026-09-01
Successor callsigns
Callsigns held now by people who previously held KA0BDK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KA0BDK, oldest first.
- HARRIS, SHAWN E MN1988-05-31 → cancelled 2000-06-01
- Armijo, Zach A CO2026-09-01 active