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KK4SY

Available2x2District 4

Competitive callsign — 2 applications filed with the FCC.

License HolderSTILTNER, MATTHEW

License ClassAmateur Extra

Min. Class RequiredGeneral

LocationGRUNDY, VA

Grant DateMay 31, 1988

Expiration DateMay 31, 1998

Cancellation DateJun 1, 2000

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KK4SY

Available2x2District 4

Competitive callsign — 2 applications filed with the FCC.

License HolderSTILTNER, MATTHEW

License ClassAmateur Extra

Min. Class RequiredGeneral

LocationGRUNDY, VA

Grant DateMay 31, 1988

Expiration DateMay 31, 1998

Cancellation DateJun 1, 2000

Available for ApplicationsJun 1, 2000

KK4SY is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by STILTNER, MATTHEW in GRUNDY, VA. This callsign has attracted significant interest in the amateur radio community, with 2 vanity applications filed with the FCC. The most recent was submitted by YANDLE SR, STEVE D on Mar 18, 2011. KK4SY has 1 recorded FCC license history event.

CW & Voice Analysis

Morse Code

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

CW Weight: 34 units(Moderate)

Voice Phonetics

Kilo Kilo Four Sierra Yankee

Readability: 7.5/10(High readability)

This callsign is available now

Requires General license or higher to apply for this callsign format (2x2).

License History

License ExpiredJun 1, 2000

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

YANDLE SR, STEVE DFiled Mar 18, 2011
Not awardedFCC ↗
YATES, SAMUEL SFiled Feb 13, 2004
Not awardedFCC ↗

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FCC data as of Jul 31, 2026

KK4SY FCC Vanity Status: 2 Competing Applications & History