Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K1BUK callsign genealogy
Currently held by Ahlgren, David J
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 K1BUK's current licensee, walking backwards.
- Ahlgren, David JCTgranted 2015-08-24cancelled 2015-11-28
Successor callsigns
Callsigns held now by people who previously held K1BUK.
No current licensee on record previously held this callsign.