Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4CYH callsign genealogy
Currently held by Blake, Barbara L
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 K4CYH's current licensee, walking backwards.
- Blake, Barbara LFLgranted 2015-02-05cancelled 2017-09-09
Successor callsigns
Callsigns held now by people who previously held K4CYH.
No current licensee on record previously held this callsign.