AC7MK
Available2x2District 7
Competitive callsign — 1 application filed with the FCC.
License HolderCoslovi, Mavis
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationBabb, MT
Grant DateFeb 7, 2001
Expiration DateFeb 7, 2011
Cancellation DateFeb 8, 2013
Available for ApplicationsFeb 8, 2013
AC7MK is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by Coslovi, Mavis in Babb, MT. This callsign has attracted significant interest in the amateur radio community, with 1 vanity application filed with the FCC. The most recent was submitted by Kojetin, Michael J on Jan 20, 2026. AC7MK has 2 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.- -.-. --... -- -.-
CW Weight: 34 units(Moderate)
Voice Phonetics
Alpha Charlie Seven Mike Kilo
Readability: 8/10(High readability)
This callsign is available now
Requires General license or higher to apply for this callsign format (2x2).
License History
- License ExpiredFeb 8, 2013
- License IssuedMar 27, 2001
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Kojetin, Michael JFiled Jan 20, 2026Not awardedFCC ↗