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KC4SKY

Available2x3District 4

Competitive callsign — 1 application filed with the FCC.

License HolderJacobson, Matt

License ClassGeneral

Min. Class RequiredTechnician

LocationWappingers Falls, NY

Grant DateJul 1, 2000

Expiration DateSep 18, 2010

Cancellation DateSep 19, 2012

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KC4SKY

Available2x3District 4

Competitive callsign — 1 application filed with the FCC.

License HolderJacobson, Matt

License ClassGeneral

Min. Class RequiredTechnician

LocationWappingers Falls, NY

Grant DateJul 1, 2000

Expiration DateSep 18, 2010

Cancellation DateSep 19, 2012

Available for ApplicationsSep 19, 2012

KC4SKY is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Jacobson, Matt in Wappingers Falls, NY. 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 Thomas, Skyler on Apr 3, 2025. KC4SKY has 2 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 42 units(Heavy (slower to send))

Voice Phonetics

Kilo Charlie Four Sierra Kilo Yankee

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 ExpiredSep 19, 2012
License RenewedJul 1, 2000

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Thomas, SkylerFiled Apr 3, 2025
Not awardedFCC ↗

Search external databases

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Explore nearby callsigns

← KC4SKX KC4SLA →

FCC data as of Sep 15, 2026

KC4SKY FCC Vanity Status: 1 Competing Application & History