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KC3K

Active2x1District 3

Competitive callsign — 5 applications filed with the FCC.

License HolderMahr, Alicja

License ClassAmateur Extra

Min. Class RequiredAmateur Extra

LocationAllston, MA

Grant DateApr 8, 2025

Expiration DateApr 8, 2035

KC3K is a highly sought-after 2x1 format amateur radio callsign. The license is currently held by Mahr, Alicja in Allston, MA. This callsign has attracted significant interest in the amateur radio community, with 5 vanity applications filed with the FCC. The most recent was submitted by Mix, Richard on Apr 1, 2025. KC3K has 6 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 31 units(Moderate)

Voice Phonetics

Kilo Charlie Three Kilo

Readability: 8.5/10(High readability)

License History

Administrative Update AppliedDec 30, 2025
License IssuedApr 8, 2025
Vanity Callsign GrantedApr 8, 2025
License ExpiredMar 20, 2025
License RenewedJan 7, 2013
License RenewedMar 19, 2003

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Mix, RichardFiled Apr 1, 2025
Not awardedFCC ↗
SECOR, ALANFiled Mar 26, 2025
Not awardedFCC ↗
CERZOSIE, JOSEPH AFiled Mar 24, 2025
Not awardedFCC ↗
Mahr, AlicjaFiled Mar 21, 2025

Search external databases

QRZ ↗HamQTH ↗

Explore nearby callsigns

← KC3J KC3L →

FCC data as of Sep 3, 2026

Not awarded

Schoenoff, Tony AFiled Mar 20, 2025

Not awardedFCC ↗

KC3K FCC Vanity Status: 5 Competing Applications & History