Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NW4K callsign genealogy
Currently held by BLANCHARD, BONNER O
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 NW4K's current licensee, walking backwards.
- Edward, Scherf RTNgranted 2010-04-26cancelled 2016-04-19
Successor callsigns
Callsigns held now by people who previously held NW4K.
- HARDEN, KENNETH EALgranted 2024-01-09
All historical holders
Every license row we've seen with the callsign NW4K, oldest first.
- BLANCHARD, BONNER O KY2006-05-03 → cancelled 2011-11-16
- Harden, Kenneth E AL2013-12-06 → cancelled 2014-03-29
- Edward, Scherf R MI2026-03-24 active