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K1MST

Available1x3District 1

Competitive callsign — 1 application filed with the FCC.

License HolderStaffenski, Michael

License ClassGeneral

Min. Class RequiredGeneral

LocationAuburn, ME

Grant DateSep 4, 2013

Expiration DateSep 16, 2023

Cancellation DateSep 17, 2025

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K1MST

Available1x3District 1

Competitive callsign — 1 application filed with the FCC.

License HolderStaffenski, Michael

License ClassGeneral

Min. Class RequiredGeneral

LocationAuburn, ME

Grant DateSep 4, 2013

Expiration DateSep 16, 2023

Cancellation DateSep 17, 2025

Available for ApplicationsSep 17, 2025

K1MST is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Staffenski, Michael in Auburn, ME. 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 Staffenski, Michael on Aug 28, 2003. K1MST has 5 recorded FCC license history events.

CW & Voice Analysis

Morse Code

-.- .---- -- ... -

CW Weight: 32 units(Moderate)

Voice Phonetics

Kilo One Mike Sierra Tango

Readability: 8/10(High readability)

This callsign is available now

Requires General license or higher to apply for this callsign format (1x3).

License History

License ExpiredSep 17, 2025
License RenewedSep 4, 2013
License ModifiedMar 31, 2004
License IssuedSep 16, 2003
Vanity Callsign GrantedSep 16, 2003

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Staffenski, MichaelFiled Aug 28, 2003
Not awardedFCC ↗

Search external databases

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FCC data as of Sep 3, 2026

K1MST FCC Vanity Status: 1 Competing Application & History