Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KF4ZMO callsign genealogy
Currently held by HART, HUGH 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 KF4ZMO's current licensee, walking backwards.
- N8HABcancelledcancelled 1998-07-27
Successor callsigns
Callsigns held now by people who previously held KF4ZMO.
- HART, HUGH MGAgranted 2022-01-19