Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KU4JK callsign genealogy
Currently held by HUDSON, ROBERT K
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 KU4JK'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 KU4JK.
- HUDSON, ROBERT KALgranted 2011-01-05cancelled 2023-01-06