Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4CBM callsign genealogy
Currently held by McNatt, Chris
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 K4CBM's current licensee, walking backwards.
- McNatt, ChrisALgranted 2014-01-22cancelled 2017-03-03
Successor callsigns
Callsigns held now by people who previously held K4CBM.
No current licensee on record previously held this callsign.