Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K9HFW callsign genealogy
Currently held by WILLIAMSON JR, HENRY F
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 K9HFW's current licensee, walking backwards.
- WILLIAMSON JR, HENRY FFLgranted 2021-05-06cancelled 2021-05-25
Successor callsigns
Callsigns held now by people who previously held K9HFW.
- WILLIAMSON JR, HENRY FFLgranted 2021-10-13