Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K0CYF callsign genealogy
Currently held by BENSON, JOHN D
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 K0CYF's current licensee, walking backwards.
- BENSON, JOHN DVAgranted 1995-11-28cancelled 2003-07-09
Successor callsigns
Callsigns held now by people who previously held K0CYF.
- BENSON, JOHN DWIgranted 2004-04-13cancelled 2016-04-14