Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4NKV callsign genealogy
Currently held by CASTRUP JR, ARTHUR
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 W4NKV's current licensee, walking backwards.
- Castrup, ArthurTNgranted 1998-09-10cancelled 2005-04-22
Successor callsigns
Callsigns held now by people who previously held W4NKV.
No current licensee on record previously held this callsign.