Confidence: Medium · Source: FCC ULS · As of 2026-10-24
WA9IZK callsign genealogy
Currently held by Hudson IV, Ivan 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 WA9IZK's current licensee, walking backwards.
- Hudson IV, Ivan JIDgranted 2026-01-08cancelled 2026-10-06
Successor callsigns
Callsigns held now by people who previously held WA9IZK.
No current licensee on record previously held this callsign.