Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KB1NAY callsign genealogy
Currently held by Chelmsford High School Amateur Radio Club
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 KB1NAY'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 KB1NAY.
- N1CHSexpiredChelmsford High School Amateur Radio ClubMAgranted 2009-12-15cancelled 2021-12-16