Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9FWH callsign genealogy
Currently held by Hyde, Frederick W
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 K9FWH's current licensee, walking backwards.
- Hyde, Frederick WWIgranted 2022-02-01cancelled 2022-02-23
Successor callsigns
Callsigns held now by people who previously held K9FWH.
- Hyde, Frederick WWIgranted 2022-02-01cancelled 2022-02-23
All historical holders
Every license row we've seen with the callsign K9FWH, oldest first.
- Hyde, Frederick W WI2012-02-04 → cancelled 2022-02-01
- Hyde, Frederick W WI2022-02-23 active