Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB3CMR callsign genealogy
Currently held by Russell, 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 KB3CMR's current licensee, walking backwards.
- Russell, Christopher MFLgranted 2016-09-23cancelled 2016-10-22
Successor callsigns
Callsigns held now by people who previously held KB3CMR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB3CMR, oldest first.
- Russell, Christopher M FL2016-10-22 active
- SONNIE JR, LARRY D— → cancelled 1999-03-11