Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB8CMB callsign genealogy
Currently held by BEAM, CHRISTOPHER M
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 KB8CMB's current licensee, walking backwards.
- BEAM, CHRISTOPHER MOHgranted 2010-02-22cancelled 2016-11-19
Successor callsigns
Callsigns held now by people who previously held KB8CMB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB8CMB, oldest first.
- LEMATTA, GERALD E NM1997-05-05 → cancelled 2009-05-06
- BEAM, CHRISTOPHER M OH2016-11-19 active