Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC1EFQ callsign genealogy
Currently held by Boston Auxiliarist 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 KC1EFQ'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 KC1EFQ.
- W1CGXactiveBoston Auxiliarist Amateur Radio ClubMAgranted 2015-09-15