Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AJ5BK callsign genealogy
Currently held by Klingler, Benjamas
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 AJ5BK's current licensee, walking backwards.
- Klingler, BenjamasCAgranted 2011-09-28cancelled 2015-10-31
Successor callsigns
Callsigns held now by people who previously held AJ5BK.
No current licensee on record previously held this callsign.