Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7KWN callsign genealogy
Currently held by Nyholm, Karl W
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 K7KWN's current licensee, walking backwards.
- Nyholm, Karl WWAgranted 2011-11-30cancelled 2012-10-30
Successor callsigns
Callsigns held now by people who previously held K7KWN.
No current licensee on record previously held this callsign.