Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KX4OH callsign genealogy
Currently held by Massey, Joseph B
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 KX4OH's current licensee, walking backwards.
- Massey, Joseph BALgranted 2015-11-30cancelled 2018-11-15
Successor callsigns
Callsigns held now by people who previously held KX4OH.
No current licensee on record previously held this callsign.