Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6MMR callsign genealogy
Currently held by Ryan, Mary 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 K6MMR's current licensee, walking backwards.
- Ryan, Mary MCAgranted 2005-09-01cancelled 2005-09-20
Successor callsigns
Callsigns held now by people who previously held K6MMR.
No current licensee on record previously held this callsign.