Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA7AOK callsign genealogy
Currently held by Knack, Arnold 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 KA7AOK's current licensee, walking backwards.
- KNACK, ARNOLD OAZgranted 1998-10-13cancelled 2001-08-21
Successor callsigns
Callsigns held now by people who previously held KA7AOK.
No current licensee on record previously held this callsign.