Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4JHR callsign genealogy
Currently held by Roof, Joseph H
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 W4JHR's current licensee, walking backwards.
- ROOF, JOSEPH HGAgranted 1994-07-28cancelled 2000-05-05
- KI4UQno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held W4JHR.
No current licensee on record previously held this callsign.