Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W0KJK callsign genealogy
Currently held by SULLIVAN, CATHERINE L
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 W0KJK's current licensee, walking backwards.
- SULLIVAN, CATHERINE LMOgranted 2012-07-05cancelled 2017-01-18
Successor callsigns
Callsigns held now by people who previously held W0KJK.
No current licensee on record previously held this callsign.