Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4HRM callsign genealogy
Currently held by Hayko, John W
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 W4HRM's current licensee, walking backwards.
- Hayko, John WFLgranted 2004-04-19cancelled 2005-03-29
Successor callsigns
Callsigns held now by people who previously held W4HRM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4HRM, oldest first.
- MORRIS, ANGUS D NC1991-08-20 → cancelled 2003-08-21
- Hayko, John W FL2014-12-31 active