Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K3CRM callsign genealogy
Currently held by Marks, Clifford R
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 K3CRM's current licensee, walking backwards.
- Marks, Clifford RDEgranted 2011-02-28cancelled 2020-04-28
Successor callsigns
Callsigns held now by people who previously held K3CRM.
No current licensee on record previously held this callsign.