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KK6FIO

Available2x3District 6

Competitive callsign — 1 application filed with the FCC.

License HolderGrimaldo, Fiorella

License ClassTechnician

Min. Class RequiredTechnician

LocationHayward, CA

Grant DateJun 8, 2013

Expiration DateJun 8, 2023

Cancellation DateJun 10, 2025

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KK6FIO

Available2x3District 6

Competitive callsign — 1 application filed with the FCC.

License HolderGrimaldo, Fiorella

License ClassTechnician

Min. Class RequiredTechnician

LocationHayward, CA

Grant DateJun 8, 2013

Expiration DateJun 8, 2023

Cancellation DateJun 10, 2025

Available for ApplicationsJun 9, 2025

KK6FIO is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Grimaldo, Fiorella in Hayward, CA. 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 Grimaldo, Fiorella on May 21, 2013. KK6FIO has 3 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 38 units(Moderate)

Voice Phonetics

Kilo Kilo Six Foxtrot India Oscar

Readability: 7/10(Good readability)

This callsign is available now

Requires Technician license or higher to apply for this callsign format (2x3).

License History

License ExpiredJun 10, 2025
License IssuedJun 8, 2013
Vanity Callsign GrantedJun 8, 2013

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Grimaldo, FiorellaFiled May 21, 2013
Not awardedFCC ↗

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FCC data as of Jul 31, 2026

KK6FIO FCC Vanity Status: 1 Competing Application & History