Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N0YKN callsign genealogy
Currently held by KOEN, BRYAN E
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 N0YKN's current licensee, walking backwards.
- Sisk, Josh BMOgranted 2015-06-08cancelled 2016-01-09
Successor callsigns
Callsigns held now by people who previously held N0YKN.
- KOEN, BRYAN EMOgranted 2008-12-20cancelled 2015-10-03
All historical holders
Every license row we've seen with the callsign N0YKN, oldest first.
- KOEN, BRYAN E MO2003-08-01 → cancelled 2008-12-20
- Sisk, Josh B MO2016-01-09 active