Confidence: Medium · Source: FCC ULS · As of 2026-09-09
K1MMC callsign genealogy
Currently held by COFFMAN, MARGARET 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 K1MMC's current licensee, walking backwards.
- COFFMAN, MARGARET MTXgranted 2013-01-24cancelled 2013-04-09
Successor callsigns
Callsigns held now by people who previously held K1MMC.
No current licensee on record previously held this callsign.