Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7KOK callsign genealogy
Currently held by Holm, Frederick N
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 K7KOK's current licensee, walking backwards.
- Holm, Frederick NWAgranted 1997-02-25cancelled 2001-04-24
Successor callsigns
Callsigns held now by people who previously held K7KOK.
No current licensee on record previously held this callsign.