Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K1CBM callsign genealogy
Currently held by The Commodore 64 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 K1CBM's current licensee, walking backwards.
- KC1DARcancelledThe Commodore 64 Amateur Radio ClubCTgranted 2014-12-23cancelled 2016-05-14
Successor callsigns
Callsigns held now by people who previously held K1CBM.
No current licensee on record previously held this callsign.