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KS4ZM

Active2x2District 4

Competitive callsign — 1 application filed with the FCC.

License HolderFolger Jr, Ralph E

License ClassGeneral

Min. Class RequiredGeneral

LocationSlingerlands, NY

Grant DateJun 9, 2026

Expiration DateSep 2, 2036

KS4ZM is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by Folger Jr, Ralph E in Slingerlands, 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 MARSHALL, ZACKARY M on Aug 15, 2016. KS4ZM has 5 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 31 units(Moderate)

Voice Phonetics

Kilo Sierra Four Zulu Mike

Readability: 8/10(High readability)

License History

License RenewedJun 9, 2026
Administrative Update AppliedMay 29, 2024
License IssuedSep 2, 2016
Vanity Callsign GrantedSep 2, 2016
License ExpiredMay 12, 2005

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

MARSHALL, ZACKARY MFiled Aug 15, 2016
Not awardedFCC ↗

Search external databases

QRZ ↗HamQTH ↗

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← KS4ZL KS4ZN →

FCC data as of Sep 12, 2026

KS4ZM FCC Vanity Status: 1 Competing Application & History