Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6ZCF callsign genealogy
Currently held by ALLEN, DOUGLAS F
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 K6ZCF's current licensee, walking backwards.
- ALLEN, DOUGLAS FCAgranted 2014-10-21cancelled 2015-02-07
Successor callsigns
Callsigns held now by people who previously held K6ZCF.
No current licensee on record previously held this callsign.