Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4KOK callsign genealogy
Currently held by MURPHY, ROBERT
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 N4KOK's current licensee, walking backwards.
- MURPHY, ROBERTGAgranted 2007-05-17cancelled 2008-09-16
Successor callsigns
Callsigns held now by people who previously held N4KOK.
No current licensee on record previously held this callsign.