Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K7AZO callsign genealogy
Currently held by Nikolaev, Sergei F
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 K7AZO's current licensee, walking backwards.
- Nikolaev, Sergei FWAgranted 2021-04-20cancelled 2021-05-08
Successor callsigns
Callsigns held now by people who previously held K7AZO.
No current licensee on record previously held this callsign.