Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5MMK callsign genealogy
Currently held by KOBY, MARILYN 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 K5MMK's current licensee, walking backwards.
- GRILL, MARILYN MTXgranted 1995-03-07cancelled 2003-01-28
Successor callsigns
Callsigns held now by people who previously held K5MMK.
No current licensee on record previously held this callsign.