Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4RKH 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 W4RKH's current licensee, walking backwards.
- HUDSON, ROBERT KALgranted 1998-08-24cancelled 2000-02-01
Successor callsigns
Callsigns held now by people who previously held W4RKH.
No current licensee on record previously held this callsign.