Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7CDF callsign genealogy
Currently held by BLANGSTED, DOUGLAS P
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 K7CDF's current licensee, walking backwards.
- BLANGSTED, DOUGLAS PWAgranted 2007-11-27cancelled 2016-04-26
Successor callsigns
Callsigns held now by people who previously held K7CDF.
No current licensee on record previously held this callsign.