Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1SHF callsign genealogy
Currently held by JUDD, WILLIAM J
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 W1SHF's current licensee, walking backwards.
- JUDD, WILLIAM JMAgranted 1992-03-03cancelled 2002-03-08
Successor callsigns
Callsigns held now by people who previously held W1SHF.
No current licensee on record previously held this callsign.