Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K5CGM callsign genealogy
Currently held by Marshall, Clarence G
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 K5CGM's current licensee, walking backwards.
- Marshall, Clarence GOKgranted 2010-08-18cancelled 2012-05-04
Successor callsigns
Callsigns held now by people who previously held K5CGM.
No current licensee on record previously held this callsign.