Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KO6NTT callsign genealogy
Currently held by von Bismarck, Leopold
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 KO6NTT's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KO6NTT.
- von Bismarck, LeopoldCAgranted 2026-05-20