Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KY4EH callsign genealogy
Currently held by BLACKMON, JEFFREY M
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 KY4EH's current licensee, walking backwards.
- BLACKMON, JEFFREY MTNgranted 2014-07-10cancelled 2021-02-13
Successor callsigns
Callsigns held now by people who previously held KY4EH.
- BLACKMON, JEFFREY MTNgranted 2021-03-09