Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6UDM callsign genealogy
Currently held by MC CUTCHEN, GEORGE 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 K6UDM's current licensee, walking backwards.
- FEENEY, CATHERINE MCAgranted 2009-03-10cancelled 2014-03-21
Successor callsigns
Callsigns held now by people who previously held K6UDM.
- FEENEY, CATHERINE MAZgranted 2020-04-17
All historical holders
Every license row we've seen with the callsign K6UDM, oldest first.
- MC CUTCHEN, GEORGE M NV1998-12-22 → cancelled 2010-12-23
- FEENEY, CATHERINE M CA2014-03-21 → cancelled 2020-04-17