Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K5BYN callsign genealogy
Currently held by Armstrong, Ray L
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 K5BYN's current licensee, walking backwards.
- Armstrong, Ray LOKgranted 2018-10-18cancelled 2021-05-07
Successor callsigns
Callsigns held now by people who previously held K5BYN.
No current licensee on record previously held this callsign.