Confidence: Medium · Source: FCC ULS · As of 2026-09-14
NA4CK callsign genealogy
Currently held by WALKER JR, RUSSELL 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 NA4CK's current licensee, walking backwards.
- WALKER JR, RUSSELL LVAgranted 2019-01-30cancelled 2026-06-01
Successor callsigns
Callsigns held now by people who previously held NA4CK.
No current licensee on record previously held this callsign.