Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W1HZH callsign genealogy
Currently held by ADAMSON SR, JOHN D
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 W1HZH's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held W1HZH.
- ADAMSON SR, JOHN DTXgranted 2013-05-16cancelled 2025-05-17