Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7BK callsign genealogy
Currently held by Davidson, Arthur R
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 K7BK's current licensee, walking backwards.
- Kuntzman, William WCOgranted 2007-08-22cancelled 2010-10-30
Successor callsigns
Callsigns held now by people who previously held K7BK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K7BK, oldest first.
- Davidson, Arthur R WA2001-09-20 → cancelled 2008-10-10
- Kuntzman, William W CO2020-08-04 active