Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W0JFK callsign genealogy
Currently held by O'Borne, Robert B
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 W0JFK's current licensee, walking backwards.
- O'Borne, Robert BCOgranted 2021-04-15cancelled 2022-03-15
Successor callsigns
Callsigns held now by people who previously held W0JFK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W0JFK, oldest first.
- DEEMING, JAMES F CO1998-01-08 → cancelled 2008-06-20
- O'Borne, Robert B CO2022-03-15 active